Best Mods for 4.8 Silverado and Sierra Trucks: LS Performance Upgrades

Photo courtesy <a href="https://www.flickr.com/photos/nanpalmero/6166746545/" rel="nofollow">Nan Palmero</a> via flickr. Used under a CC BY 2.0 license.
Photo courtesy Nan Palmero via flickr. Used under a CC BY 2.0 license.

When I bought my 2011 Silverado, I wanted the 4.8L engine and 4L60E. Both were tried and true. The 4.8L does not have the active fuel management, which I did not want. The 4.8 does need a little help in the power department. It’s poky, slow. What are the best mods for 4.8 Silverado trucks?

Popular 4.8L Performance Parts on Amazon

Bestseller No. 1
Turbo Kit T70 Single T4 Silverado Sierra Turbocharger Vortec V8 LS 4.8 5.3 6.0
  • Turbo Kit T70 Single T4 Silverado Sierra Turbocharger Vortec V8 LS 4.8 5.3 6.0
  • Cast passenger and driver side manifolds
  • Stainless TIG welded crossover
  • 38mm external wastegate
  • -4AN oil feed kit with adapter plate + Hardened stainless hardware
Bestseller No. 2
Fleece Performance Emissions Compliant CP3 Conversion Kit & Pump FPE-LML-CP3-FF-EO Compatible with 2011-2016 Chevy Silverado/GMC Sierra 2500HD 3500HD 6.6L LML Duramax Diesel
  • Convert your 2011-2016 Duramax feet s fuel system from a CP4 to a CP3 high pressure pump and get performance and peace-of-mind. Since its introduction, the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms. Our newest kit includes all of the hardware necessary to replace the troublesome CP4 with a CP3 and requires no tuning changes and maintains all factory emissions controls.
  • CP3 Pump Billet CP3 Engine Block Adaptor High Pressure Fuel Rail Line Low Pressure Fuel Feed Line Return Fuel Hose
  • CP3 Feed Hose Fuel Rail Nut (3) CP3 Block Adapter Bolts (Flange Head, M8x1.25x35mm)
  • CP3 Pump Fittings 3/8 inch CP3 Pump Fittings 1/2 inch (2) 12mm Sealing Washers
  • Fit type: Vehicle Specific
Bestseller No. 3
Fox 2.0 Performance Coilovers & Shocks Set compatible with 07-18 Silverado 1500 2WD 4WD Stl
  • Part Numbers 980-24-660 and 985-02-018
  • Front Pair of Coilovers & Rear pair of 2 shocks for vehicles at factory height or w/0-2" front Lift and w/0-1" rear Lift; These parts fit models with front struts only and will not fit "Classic" Silverado/Sierra 1500 models. Excludes HD Models. w/Factory Steel Arms
  • Fits 2WD & 4WD vehicles
  • Coilover lift height is achieved by adjustable preload ring from factory height up to 2" of lift. Coilovers come preset at 2" of lift.
  • Fox's limited one (1) year warranty protects against defects and premature failure.
Bestseller No. 4
MagnaFlow Cat-Back Performance Exhaust System 15268 - Street Series, Stainless Steel 3in Main Piping, Dual Split Rear Exit, Polished Finish 4in Exhaust Tip - Silverado 1500 Performance Exhaust Kit
  • AGGRESSIVE SOUND/STREET SERIES - Street Series performance exhausts are designed to enhance the power and exterior sound of your vehicle without sacrificing comfortable interior noise levels. Fast-flowing mandrel bent pipes with larger or more straight-through mufflers reduce exhaust restriction and enable that MagnaFlow performance tone without garnering racecar levels of attention. Specifically designed for the 2014-2019 Chevrolet Silverado 1500 and 2014-2019 GMC Sierra 1500
  • CAT-BACK PERFORMANCE - Extensive testing and dyno-proven power make this exhaust truly developed for the driven. It is designed to replace the original exhaust components following the catalytic converter. These systems are 50-state legal and designed to optimize power based on the factory calibration
  • BOLT-ON INSTALLATION - MagnaFlow utilizes state-of-the-art 3D scanning technology during the research and development process to ensure that this exhaust system will fit and outperform the original equipment. CNC precision robotic manufacturing and mandrel bent tubing allow for hassle-free bolt-on installation
  • STAINLESS-STEEL CONSTRUCTION - Highly corrosion resistant, Stainless-Steel construction incorporating CNC precision robotic manufacturing for quality fitment and longevity. Built to be the exhaust that lasts the lifetime of your vehicle
  • LIMITED LIFETIME CONSTRUCTION WARRANTY - Performance that lasts. Enjoy worry-free ownership knowing that you're backed by MagnaFlow’s limited lifetime construction warranty
Bestseller No. 5
Performance Accessories, Chevy Silverado 1500 2WD and 4WD 3" Body Lift Kit, fits 2016 to 2018, PA10343, Made in America
  • Provides 3-inches of lift without modifying existing suspension components
  • Allows use of 33-inch diameter tires and factory rims for improved ground clearance
  • DOES NOT alter the OEM suspension geometry or factory StabiliTrak parameters
  • Maintains the superior factory smooth ride
  • Keeps the truck's center of gravity lower than a comparable suspension lift
Bestseller No. 6
Bestseller No. 7
A-Team Performance - Intake Manifold 102mm Throttle Body Sheet Metal Fabricated - Compatible with Chevrolet GMC Pontiac LS LS1 LS2 LS6 EFI Black
  • Intake Manifold with 102mm Throttle Body Fabricated 3mm Sheet Metal .
  • Compatible with cathedral style LS1 LS2 LS6 4.8/5.3/5.7/6.0 heads
  • The intake will not bend or flex with Boost Or Vacuum.
  • Intake is about 2" taller than stock.
  • Includes Black Intake Manifold, Black DRIVE BY CABLE Throttle Body, Gaskets, Hardware, Black Fuel Rails, and Fuel Crossover Line
Bestseller No. 8
Brian Tooley Racing BTR Truck Stage 3 Includes Cam, Beehive Springs, Pushrods, Michigan Motorsports Seals Fits Silverado Sierra Vortec 4.8 5.3 6.0 6.2
  • Brian Tooley Racing BTR Stage 3 Truck Cam, Beehive Springs, Michigan Motorsports Seals, 7.400" Chromoly Pushrods 4.8 5.3 6.0
  • The Brian Tooley Vortec Racing Truck Cam Kit includes: Stage 3 Truck Cam, Beehive Springs, Set of VS LS Hat Seals, 7.400 Chromoly Pushrods
  • Stage III Camshaft Specs Specs: 218/224 .553/.553 110+0 Requires a 3 bolt timing gear.
  • STAGE 3 SPECIFICS: The Stage 3 V2 camshaft is an amazing all around grind for the truck enthusiast. You sacrifice some low end torque in the pursuit of more power higher in the RPM range, but gain an idle note that is distinctly BTR! Stage 3 grind, it is still a tow-friendly camshaft, just not ideal for the everyday hauler. An aftermarket converter is highly recommended with this grind.Excellent for 4.8 5.3 6.0 6.2 Silverado, Sierra, Yukon, Tahoe, Suburban, Escalade
  • Will work with stock converter in some trucks, but recommended to install a 2800-3000 converter for best overall performance.
Bestseller No. 9
K&N Cold Air Intake Kit: Increase Acceleration & Towing Power, Guaranteed to Increase Horsepower up to 12HP: Compatible with 6.0L, V8, 2005-2007 Chevy/GMC/Cadillac (Silverado, Avalanche, Tahoe)57-3050
  • GUARANTEED INCREASE IN HORSEPOWER & TORQUE: K&N cold air intake systems provide a less restrictive path for airflow, increasing the volume of cool, oxygen-rich air into your engine and giving an estimated increase up to 12HP and up to 12 ft.lbs. of Torque
  • HEAR THE GROWL: K&N’s intake systems allow your engine to breathe and sound as it should- your engine will growl on acceleration and return to quiet once at speed
  • DYNO TESTING YOU CAN TRUST: K&N air intake horsepower/torque testing is performed on wheel-based dynamometers and the reports are include with each intake system
  • BETTER TOWING: Air intake kit improves acceleration and uphill performance when towing by improving throttle response and overall horsepower and torque
  • FEATURING K&N’s SIGNATURE, REUSABLE AIR FILTER: Combines 4 layers of pleated, breathable cotton with K&N’s red filter oil to absorb dirt and dust particles, allowing clean air to continue flowing into your engine, only needs cleaning every 100,000 miles under normal highway driving conditions
Bestseller No. 10
A-Team Performance - Intake Manifold 102mm Throttle Body Sheet Metal Fabricated EFI 15° Throttle Opening - Compatible with Chevrolet GMC Pontiac LS LS1 LS2 LS6 Silver
  • Silver Intake Manifold 102mm Throttle Body Sheet Metal Fabricated EFI 15° Throttle Opening
  • Compatible with Chevrolet Chevy GMC Pontiac Cathedral Port LS1/LS2/LS6 Heads
  • Drive by Cable Throttle Body - 102mm Bore Throttle Body Openings
  • 3mm (1/8") Thick T6061 Sheet Aluminum Construction the Intake Will Not Bend or Flex With Boost or Vacuum
  • Fabrication - TIG Welded Aluminum

Affiliate links / Images from Amazon Product Advertising API

The 4.8-liter V-8 engine found in the Chevy Silverado is ideal for a range of modifications. This engine is reliable, efficient, and packed with potential for power.

With plenty of aftermarket parts available to enhance performance, you can easily build up your stock 4.8-liter into something even more impressive. Whether you’re in search of additional torque for hauling or gaining faster acceleration around the track, there are many mods to consider that will make your Silverado faster, stronger, and meaner than ever before.

Is the 4.8 Vortec a good engine?

The 4.8-liter Silverado pickup truck is a full-size vehicle that was manufactured by Chevrolet as part of its Silverado lineup. It was available as a model from 1999 until 2018 and has been both praised and criticized for its reliability, affordability and performance depending on the make and model.

For drivers who are looking to customize their rides or increase their vehicle’s power output, there are many aftermarket modifications you can make to your 4.8 liter Silverado to get the performance you desire without compromising safety or reliability.

Some popular modifications for the 4.8 are cold air intakes which increase horsepower by allowing more air into your engine, exhaust kits which reduce backpressure from your exhaust pipes and increase your automobile’s torque, tuning systems which help tune the engine for optimal performance, suspension groups that give you better handling during sharp turns or when accelerating heavily and other specialized parts designed for the specific make/model of truck like bigger rims or stronger brakes.

All these modifications will drastically improve your driving experience while keeping up with safety standards required by law enforcement agencies worldwide so be sure to check them out before taking on any DIY projects!

How to get more power out of a 4.8 Vortec

When it comes to getting the most out of your 4.8 Silverado, performance mods are essential to unlocking your vehicle’s full potential. Here are some of the best performance mods that you can do to get the most out of your engine and enjoy a smoother, more powerful driving experience:

Bestseller No. 1
Turbo Kit T70 Single T4 Silverado Sierra Turbocharger Vortec V8 LS 4.8 5.3 6.0
  • Turbo Kit T70 Single T4 Silverado Sierra Turbocharger Vortec V8 LS 4.8 5.3 6.0
  • Cast passenger and driver side manifolds
  • Stainless TIG welded crossover
  • 38mm external wastegate
  • -4AN oil feed kit with adapter plate + Hardened stainless hardware
Bestseller No. 2
Fleece Performance Emissions Compliant CP3 Conversion Kit & Pump FPE-LML-CP3-FF-EO Compatible with 2011-2016 Chevy Silverado/GMC Sierra 2500HD 3500HD 6.6L LML Duramax Diesel
  • Convert your 2011-2016 Duramax feet s fuel system from a CP4 to a CP3 high pressure pump and get performance and peace-of-mind. Since its introduction, the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms. Our newest kit includes all of the hardware necessary to replace the troublesome CP4 with a CP3 and requires no tuning changes and maintains all factory emissions controls.
  • CP3 Pump Billet CP3 Engine Block Adaptor High Pressure Fuel Rail Line Low Pressure Fuel Feed Line Return Fuel Hose
  • CP3 Feed Hose Fuel Rail Nut (3) CP3 Block Adapter Bolts (Flange Head, M8x1.25x35mm)
  • CP3 Pump Fittings 3/8 inch CP3 Pump Fittings 1/2 inch (2) 12mm Sealing Washers
  • Fit type: Vehicle Specific
Bestseller No. 3
Fox 2.0 Performance Coilovers & Shocks Set compatible with 07-18 Silverado 1500 2WD 4WD Stl
  • Part Numbers 980-24-660 and 985-02-018
  • Front Pair of Coilovers & Rear pair of 2 shocks for vehicles at factory height or w/0-2" front Lift and w/0-1" rear Lift; These parts fit models with front struts only and will not fit "Classic" Silverado/Sierra 1500 models. Excludes HD Models. w/Factory Steel Arms
  • Fits 2WD & 4WD vehicles
  • Coilover lift height is achieved by adjustable preload ring from factory height up to 2" of lift. Coilovers come preset at 2" of lift.
  • Fox's limited one (1) year warranty protects against defects and premature failure.
Bestseller No. 4
MagnaFlow Cat-Back Performance Exhaust System 15268 - Street Series, Stainless Steel 3in Main Piping, Dual Split Rear Exit, Polished Finish 4in Exhaust Tip - Silverado 1500 Performance Exhaust Kit
  • AGGRESSIVE SOUND/STREET SERIES - Street Series performance exhausts are designed to enhance the power and exterior sound of your vehicle without sacrificing comfortable interior noise levels. Fast-flowing mandrel bent pipes with larger or more straight-through mufflers reduce exhaust restriction and enable that MagnaFlow performance tone without garnering racecar levels of attention. Specifically designed for the 2014-2019 Chevrolet Silverado 1500 and 2014-2019 GMC Sierra 1500
  • CAT-BACK PERFORMANCE - Extensive testing and dyno-proven power make this exhaust truly developed for the driven. It is designed to replace the original exhaust components following the catalytic converter. These systems are 50-state legal and designed to optimize power based on the factory calibration
  • BOLT-ON INSTALLATION - MagnaFlow utilizes state-of-the-art 3D scanning technology during the research and development process to ensure that this exhaust system will fit and outperform the original equipment. CNC precision robotic manufacturing and mandrel bent tubing allow for hassle-free bolt-on installation
  • STAINLESS-STEEL CONSTRUCTION - Highly corrosion resistant, Stainless-Steel construction incorporating CNC precision robotic manufacturing for quality fitment and longevity. Built to be the exhaust that lasts the lifetime of your vehicle
  • LIMITED LIFETIME CONSTRUCTION WARRANTY - Performance that lasts. Enjoy worry-free ownership knowing that you're backed by MagnaFlow’s limited lifetime construction warranty
Bestseller No. 5
Performance Accessories, Chevy Silverado 1500 2WD and 4WD 3" Body Lift Kit, fits 2016 to 2018, PA10343, Made in America
  • Provides 3-inches of lift without modifying existing suspension components
  • Allows use of 33-inch diameter tires and factory rims for improved ground clearance
  • DOES NOT alter the OEM suspension geometry or factory StabiliTrak parameters
  • Maintains the superior factory smooth ride
  • Keeps the truck's center of gravity lower than a comparable suspension lift
Bestseller No. 6
Bestseller No. 7
A-Team Performance - Intake Manifold 102mm Throttle Body Sheet Metal Fabricated - Compatible with Chevrolet GMC Pontiac LS LS1 LS2 LS6 EFI Black
  • Intake Manifold with 102mm Throttle Body Fabricated 3mm Sheet Metal .
  • Compatible with cathedral style LS1 LS2 LS6 4.8/5.3/5.7/6.0 heads
  • The intake will not bend or flex with Boost Or Vacuum.
  • Intake is about 2" taller than stock.
  • Includes Black Intake Manifold, Black DRIVE BY CABLE Throttle Body, Gaskets, Hardware, Black Fuel Rails, and Fuel Crossover Line
Bestseller No. 8
Brian Tooley Racing BTR Truck Stage 3 Includes Cam, Beehive Springs, Pushrods, Michigan Motorsports Seals Fits Silverado Sierra Vortec 4.8 5.3 6.0 6.2
  • Brian Tooley Racing BTR Stage 3 Truck Cam, Beehive Springs, Michigan Motorsports Seals, 7.400" Chromoly Pushrods 4.8 5.3 6.0
  • The Brian Tooley Vortec Racing Truck Cam Kit includes: Stage 3 Truck Cam, Beehive Springs, Set of VS LS Hat Seals, 7.400 Chromoly Pushrods
  • Stage III Camshaft Specs Specs: 218/224 .553/.553 110+0 Requires a 3 bolt timing gear.
  • STAGE 3 SPECIFICS: The Stage 3 V2 camshaft is an amazing all around grind for the truck enthusiast. You sacrifice some low end torque in the pursuit of more power higher in the RPM range, but gain an idle note that is distinctly BTR! Stage 3 grind, it is still a tow-friendly camshaft, just not ideal for the everyday hauler. An aftermarket converter is highly recommended with this grind.Excellent for 4.8 5.3 6.0 6.2 Silverado, Sierra, Yukon, Tahoe, Suburban, Escalade
  • Will work with stock converter in some trucks, but recommended to install a 2800-3000 converter for best overall performance.
Bestseller No. 9
K&N Cold Air Intake Kit: Increase Acceleration & Towing Power, Guaranteed to Increase Horsepower up to 12HP: Compatible with 6.0L, V8, 2005-2007 Chevy/GMC/Cadillac (Silverado, Avalanche, Tahoe)57-3050
  • GUARANTEED INCREASE IN HORSEPOWER & TORQUE: K&N cold air intake systems provide a less restrictive path for airflow, increasing the volume of cool, oxygen-rich air into your engine and giving an estimated increase up to 12HP and up to 12 ft.lbs. of Torque
  • HEAR THE GROWL: K&N’s intake systems allow your engine to breathe and sound as it should- your engine will growl on acceleration and return to quiet once at speed
  • DYNO TESTING YOU CAN TRUST: K&N air intake horsepower/torque testing is performed on wheel-based dynamometers and the reports are include with each intake system
  • BETTER TOWING: Air intake kit improves acceleration and uphill performance when towing by improving throttle response and overall horsepower and torque
  • FEATURING K&N’s SIGNATURE, REUSABLE AIR FILTER: Combines 4 layers of pleated, breathable cotton with K&N’s red filter oil to absorb dirt and dust particles, allowing clean air to continue flowing into your engine, only needs cleaning every 100,000 miles under normal highway driving conditions
Bestseller No. 10
A-Team Performance - Intake Manifold 102mm Throttle Body Sheet Metal Fabricated EFI 15° Throttle Opening - Compatible with Chevrolet GMC Pontiac LS LS1 LS2 LS6 Silver
  • Silver Intake Manifold 102mm Throttle Body Sheet Metal Fabricated EFI 15° Throttle Opening
  • Compatible with Chevrolet Chevy GMC Pontiac Cathedral Port LS1/LS2/LS6 Heads
  • Drive by Cable Throttle Body - 102mm Bore Throttle Body Openings
  • 3mm (1/8") Thick T6061 Sheet Aluminum Construction the Intake Will Not Bend or Flex With Boost or Vacuum
  • Fabrication - TIG Welded Aluminum

Affiliate links / Images from Amazon Product Advertising API

Tuning and Software Upgrades – Tuning and software upgrades are essential for unlocking more horsepower and torque from your engine. A good tuner can greatly improve acceleration, response time, and overall driving experience when it’s properly installed. Many people also opt for cold air intakes or exhaust systems that increase airflow for a performance boost.

LR4 4.8 turbo kit – Forced induction improvements provide an even bigger power lift than a custom tune alone. Installing an appropriately-sized supercharger or turbocharger system can significantly increase your vehicle’s power output, especially if you choose a system designed specifically for the 4.8 Silverado engine model.

Pros and Cons of LR4 4.8 performance upgrades

When it comes to modifying the 4.8-liter engine in your Silverado, there are several changes to consider – each with its own pros and cons. Understand the limitations of a 4.8-liter engine and decide which modifications work best for your goals before you spend money on upgrades.

LR4 4.8 heads: Depending on the cylinder head used, airflow can improve and lead to a more efficient engine. But it may reduce gas mileage due to increased pump losses and this is something that must be taken into consideration when optimizing the 4.8L V-8 in your Silverado.

Cold Air Intake System: Adding this kind of system provides a denser air charge for more power but it also creates additional heat that the factory injectors weren’t designed to manage, negating some of the advantages gained from increased air flow.

Exhaust System: A good quality exhaust system provides many benefits in terms of improved horsepower, torque and fuel economy as well as reduced underhood temperatures and better sound control than stock equipment offers up. An improperly tuned exhaust however, can result in lost power or even damage to other components due to increased back pressure from excessive exhaust gases not clearing out fast enough from cylinders.

4.8 LR4 Cam kit: Considerable gains can be achieved by installing a performance camshaft but these require custom tuning so they don’t affect driveability or emissions adversely while providing maximum benefit. Without a professional tune up an aftermarket camshaft could cause pre-ignition or knocking which will definitely reduce lifespan of moving parts over time – so only experienced users should attempt fitting a high performance camshaft.

Bestseller No. 1
Turbo Kit T70 Single T4 Silverado Sierra Turbocharger Vortec V8 LS 4.8 5.3 6.0
  • Turbo Kit T70 Single T4 Silverado Sierra Turbocharger Vortec V8 LS 4.8 5.3 6.0
  • Cast passenger and driver side manifolds
  • Stainless TIG welded crossover
  • 38mm external wastegate
  • -4AN oil feed kit with adapter plate + Hardened stainless hardware
Bestseller No. 2
Fleece Performance Emissions Compliant CP3 Conversion Kit & Pump FPE-LML-CP3-FF-EO Compatible with 2011-2016 Chevy Silverado/GMC Sierra 2500HD 3500HD 6.6L LML Duramax Diesel
  • Convert your 2011-2016 Duramax feet s fuel system from a CP4 to a CP3 high pressure pump and get performance and peace-of-mind. Since its introduction, the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms. Our newest kit includes all of the hardware necessary to replace the troublesome CP4 with a CP3 and requires no tuning changes and maintains all factory emissions controls.
  • CP3 Pump Billet CP3 Engine Block Adaptor High Pressure Fuel Rail Line Low Pressure Fuel Feed Line Return Fuel Hose
  • CP3 Feed Hose Fuel Rail Nut (3) CP3 Block Adapter Bolts (Flange Head, M8x1.25x35mm)
  • CP3 Pump Fittings 3/8 inch CP3 Pump Fittings 1/2 inch (2) 12mm Sealing Washers
  • Fit type: Vehicle Specific
Bestseller No. 3
Fox 2.0 Performance Coilovers & Shocks Set compatible with 07-18 Silverado 1500 2WD 4WD Stl
  • Part Numbers 980-24-660 and 985-02-018
  • Front Pair of Coilovers & Rear pair of 2 shocks for vehicles at factory height or w/0-2" front Lift and w/0-1" rear Lift; These parts fit models with front struts only and will not fit "Classic" Silverado/Sierra 1500 models. Excludes HD Models. w/Factory Steel Arms
  • Fits 2WD & 4WD vehicles
  • Coilover lift height is achieved by adjustable preload ring from factory height up to 2" of lift. Coilovers come preset at 2" of lift.
  • Fox's limited one (1) year warranty protects against defects and premature failure.
Bestseller No. 4
MagnaFlow Cat-Back Performance Exhaust System 15268 - Street Series, Stainless Steel 3in Main Piping, Dual Split Rear Exit, Polished Finish 4in Exhaust Tip - Silverado 1500 Performance Exhaust Kit
  • AGGRESSIVE SOUND/STREET SERIES - Street Series performance exhausts are designed to enhance the power and exterior sound of your vehicle without sacrificing comfortable interior noise levels. Fast-flowing mandrel bent pipes with larger or more straight-through mufflers reduce exhaust restriction and enable that MagnaFlow performance tone without garnering racecar levels of attention. Specifically designed for the 2014-2019 Chevrolet Silverado 1500 and 2014-2019 GMC Sierra 1500
  • CAT-BACK PERFORMANCE - Extensive testing and dyno-proven power make this exhaust truly developed for the driven. It is designed to replace the original exhaust components following the catalytic converter. These systems are 50-state legal and designed to optimize power based on the factory calibration
  • BOLT-ON INSTALLATION - MagnaFlow utilizes state-of-the-art 3D scanning technology during the research and development process to ensure that this exhaust system will fit and outperform the original equipment. CNC precision robotic manufacturing and mandrel bent tubing allow for hassle-free bolt-on installation
  • STAINLESS-STEEL CONSTRUCTION - Highly corrosion resistant, Stainless-Steel construction incorporating CNC precision robotic manufacturing for quality fitment and longevity. Built to be the exhaust that lasts the lifetime of your vehicle
  • LIMITED LIFETIME CONSTRUCTION WARRANTY - Performance that lasts. Enjoy worry-free ownership knowing that you're backed by MagnaFlow’s limited lifetime construction warranty
Bestseller No. 5
Performance Accessories, Chevy Silverado 1500 2WD and 4WD 3" Body Lift Kit, fits 2016 to 2018, PA10343, Made in America
  • Provides 3-inches of lift without modifying existing suspension components
  • Allows use of 33-inch diameter tires and factory rims for improved ground clearance
  • DOES NOT alter the OEM suspension geometry or factory StabiliTrak parameters
  • Maintains the superior factory smooth ride
  • Keeps the truck's center of gravity lower than a comparable suspension lift
Bestseller No. 6
Bestseller No. 7
A-Team Performance - Intake Manifold 102mm Throttle Body Sheet Metal Fabricated - Compatible with Chevrolet GMC Pontiac LS LS1 LS2 LS6 EFI Black
  • Intake Manifold with 102mm Throttle Body Fabricated 3mm Sheet Metal .
  • Compatible with cathedral style LS1 LS2 LS6 4.8/5.3/5.7/6.0 heads
  • The intake will not bend or flex with Boost Or Vacuum.
  • Intake is about 2" taller than stock.
  • Includes Black Intake Manifold, Black DRIVE BY CABLE Throttle Body, Gaskets, Hardware, Black Fuel Rails, and Fuel Crossover Line
Bestseller No. 8
Brian Tooley Racing BTR Truck Stage 3 Includes Cam, Beehive Springs, Pushrods, Michigan Motorsports Seals Fits Silverado Sierra Vortec 4.8 5.3 6.0 6.2
  • Brian Tooley Racing BTR Stage 3 Truck Cam, Beehive Springs, Michigan Motorsports Seals, 7.400" Chromoly Pushrods 4.8 5.3 6.0
  • The Brian Tooley Vortec Racing Truck Cam Kit includes: Stage 3 Truck Cam, Beehive Springs, Set of VS LS Hat Seals, 7.400 Chromoly Pushrods
  • Stage III Camshaft Specs Specs: 218/224 .553/.553 110+0 Requires a 3 bolt timing gear.
  • STAGE 3 SPECIFICS: The Stage 3 V2 camshaft is an amazing all around grind for the truck enthusiast. You sacrifice some low end torque in the pursuit of more power higher in the RPM range, but gain an idle note that is distinctly BTR! Stage 3 grind, it is still a tow-friendly camshaft, just not ideal for the everyday hauler. An aftermarket converter is highly recommended with this grind.Excellent for 4.8 5.3 6.0 6.2 Silverado, Sierra, Yukon, Tahoe, Suburban, Escalade
  • Will work with stock converter in some trucks, but recommended to install a 2800-3000 converter for best overall performance.
Bestseller No. 9
K&N Cold Air Intake Kit: Increase Acceleration & Towing Power, Guaranteed to Increase Horsepower up to 12HP: Compatible with 6.0L, V8, 2005-2007 Chevy/GMC/Cadillac (Silverado, Avalanche, Tahoe)57-3050
  • GUARANTEED INCREASE IN HORSEPOWER & TORQUE: K&N cold air intake systems provide a less restrictive path for airflow, increasing the volume of cool, oxygen-rich air into your engine and giving an estimated increase up to 12HP and up to 12 ft.lbs. of Torque
  • HEAR THE GROWL: K&N’s intake systems allow your engine to breathe and sound as it should- your engine will growl on acceleration and return to quiet once at speed
  • DYNO TESTING YOU CAN TRUST: K&N air intake horsepower/torque testing is performed on wheel-based dynamometers and the reports are include with each intake system
  • BETTER TOWING: Air intake kit improves acceleration and uphill performance when towing by improving throttle response and overall horsepower and torque
  • FEATURING K&N’s SIGNATURE, REUSABLE AIR FILTER: Combines 4 layers of pleated, breathable cotton with K&N’s red filter oil to absorb dirt and dust particles, allowing clean air to continue flowing into your engine, only needs cleaning every 100,000 miles under normal highway driving conditions
Bestseller No. 10
A-Team Performance - Intake Manifold 102mm Throttle Body Sheet Metal Fabricated EFI 15° Throttle Opening - Compatible with Chevrolet GMC Pontiac LS LS1 LS2 LS6 Silver
  • Silver Intake Manifold 102mm Throttle Body Sheet Metal Fabricated EFI 15° Throttle Opening
  • Compatible with Chevrolet Chevy GMC Pontiac Cathedral Port LS1/LS2/LS6 Heads
  • Drive by Cable Throttle Body - 102mm Bore Throttle Body Openings
  • 3mm (1/8") Thick T6061 Sheet Aluminum Construction the Intake Will Not Bend or Flex With Boost or Vacuum
  • Fabrication - TIG Welded Aluminum

Affiliate links / Images from Amazon Product Advertising API

Final thoughts about 4.8L mods

To sum up, when modding the 4.8 L Silverado the options are numerous. Whether you want more power, better handling or a combination of both, there’s something for everyone. Of course, it depends on your budget and taste but ultimately you’ll want to achieve the end result that gives your Silverado the look and performance that you want.

From engine modifications, suspension components and other exterior touches there are a variety of ways to give your Silverado that extra touch. Although some mods may be expensive it’s important to remember that it will likely pay for itself in performance and satisfaction over time.

Find the best 4.8 mods for Silverado and Sierra trucks on Amazon.

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