Top 9 Best Exhausts for 6.0 Vortec Engines

Best Exhausts for 6.0 Vortec
Photo courtesy tim via flickr. Used under a CC-BY-2.0 license.

Question: What is the best exhaust for the 6.0 Vortec LS motor?

Nine popular options for a full GMC or Chevy 6.0 cat-back exhaust come from Banks, Borla, Corsa, Dynomax, Flowmaster, Gibson, MBRP, MagnaFlow, or straight pipes.

Bestseller No. 1
DNA MOTORING CBE-CS09-4853L-4DR Stainless Steel Cat Back Exhaust System [Compatible with 07-13 Silverado 1500/07-13 Sierra 1500 Crew/Extended Cab Short Bed]
  • 【FITMENT】Compatible with 07-13 Chevy Silverado 1500 Crew/Extended Cab Short Bed; Compatible with 07-13 GMC Sierra 1500 Crew/Extended Cab Short Bed
  • 【Quality Construction】Made of High Quality T-409 Stainless Steel with Computerized Mandrel-Bends for Strength and Durability. TIG welded CNC machine flange for resistance against pressure and corrosion.
  • 【Enhance Performence】Dyno proven to instantly increases 15 - 25 horsepower / low end torque. Aggressive deep and smooth tone while ensures smooth exhaust gas flow, increase engine output and efficiency.
  • 【Muffler & Diameter】2. 5" OD / 3" OD / Louvered Core Muffler
  • 【Design】The larger pipes, low-restriction mufflers, and tuned resonators of a well-designed performance exhaust system can make stunned effect on your vehicle: lower auto exhaust back pressure and a much better sound.
Bestseller No. 2
4 inches Round Muffler Rolled Tip Catback Exhaust System Compatible with Silverado Sierra 1500 4.8L 5.3L Extra Crew Cab 07-13, Stainless Steel
  • ▶️ This cat-back exhaust is compatible with Chevrolet Silverado 1500 5.3L Crew Cab 2007-2013, Chevrolet Silverado 1500 4.8L Crew Cab 2007-2008, Chevrolet Silverado 1500 5.3L Extra Cab 2007-2013, Chevrolet Silverado 1500 4.8L Extra Cab 2007-2008, GMC Sierra 1500 5.3L Crew Cab 2007-2013, GMC Sierra 1500 4.8L Crew Cab 2007-2008, GMC Sierra 1500 5.3L Extra Cab 2007-2013, GMC Sierra 1500 4.8L Extra Cab 2007-2008, fits with 5.5' 6.5' bed models, EXCLUDE 2007 classic models.
  • ▶️ Come with [1] high performance racing design dual exit cat-back exhaust, it can maximize to enhance the high exhaust air flow rate without sacrificing the attractive power sound in the smoothest conditions.
  • ▶️ Made of high quality stainless steel with computerized mandrel-bends for strength and durability, and the TIG welded CNC machine can resistant against pressure and corrosion. All those material can guarantee the reliable performance in any circumstance.
  • ▶️ Easily for the installation, can make you enjoy the best performance in the fastest time.
  • ▶️ Major Piping: 3" OD | Muffler Exhaust Tip: 4" OD | Inlet: 3" OD | Outlet: 2.5" OD | Round Diagonal Cut Rolled Tips
Bestseller No. 3
Flow master Outlaw Extreme Cat Back Exhaust System, 817916
  • Race Proven Outlaw Muffler Technology
  • Extreme Sound for Extreme Lifestyles
  • Stainless Steel Construction
Bestseller No. 4
Flowmaster 717857 Flowmaster FlowFX Cat-Back Exhaust System. Exhaust System Kit 14-18 SILVERADO/SIERRA 1500 5.3L CB S
  • 2014-18 GM Silverado/Sierra 1500 4.3L, 5.3L V8 2/4WD
  • 2019 Chevy Silverado 1500 (Legacy Only) 5.3L 4WD Extended Cab
  • 143.5 & 157.5 in. Wheelbase
  • 3 in. Tubing
  • 4.5 in. Black Ceramic Tip
Bestseller No. 5
Bestseller No. 6
Bestseller No. 7
Flowmaster 17395 Cat-back System - Dual Same Side Exit - American Thunder - Aggressive Sound
  • Mandrel bent 16 Gauge Tubing
  • Moderate to Aggressive Sound Exterior Exhaust Tone
  • Includes hangers and hardware for easy installation
  • Dyno Tuned For Maximum Performance
Bestseller No. 8
Flowmaster 817689 Outlaw Stainless Steel Aggressive Sound Cat-Back Exhaust System
  • Stainless Steel Construction
  • Super Aggressive Sound
  • Black and Ceramic Tips
  • Lifetime Limited Warranty
Bestseller No. 9
DNA Motoring CBE-UR-014 Stainless Steel Cat-Back Exhaust System Compatible with 14-18 Silverado Sierra 1500 with 4.3L 5.3L,3" OD Inlet / 2.5" OD Outlet
  • THIS ITEM INCLUDES - Comes with 1x cat-back exhaust, hardware as shown in the picture
  • SPECIFICATION - Oval Style Mufflers; Inlet Size: 3" OD; Major Diameter: 3" OD; Outlet Size : 2.5" OD; 4" Double Walled Round Diagonal Cut 304 Stainless Steel Polished
  • FITMENT - Compatible with Silverado/Sierra 1500 with 4.3L / 5.3L 14-18; Compatible with 2019 Silverado/Sierra 1500 LD with 4.3L / 5.3L; Fits Extended & Crew Cab Models; Excludes 2WD Crew Cab Models with 2Pc Driveshaft
  • STRENGTH CONSTRUCTION - Made of high quality steel with computerized mandrel-bends for strength and durability.TIG welded CNC machine for resistance against pressure and corrosion.
  • INSTALLATION - Professional Installation is Highly Recommended; Installation Instruction is NOT Included.
Bestseller No. 10
Performance Stainless Steel 3" Cat Back Exhaust Muffler System Kit Black Tip Compatible With 03-07 Chevy GMC GM Silverado/Sierra 1500 4.8L & 5.3L V8 Pickup Truck
  • Retain All OEM Catalytic Converters. Does NOT Modify Any Vehicle Emission Component. Fully Emission Legal Exhaust System
  • Fit: 03-07 Chevy/GMC Silverado/Sierra 1500 4.8L & 5.3L V8, Crew Cab & Extended Cab Short Bed. Only Fit 2007 Classic Model. Excludes 2007 New Body Style
  • 3.00" Stainless Steel Cat Back Exhaust System. Black 4" Exhaust Tip Included
  • Hardware(s) Included Exactly As Shown. Improve Sound, Horsepower & Torque. TIG Weld & Mandrel-Bent For Maximum Performance
  • Top Quality SS409 Stainless Steel. Affordable Pricing. Instruction Not Included. Professional Installation Strongly Recommended

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HP gains from 6.0 Vortec

A stock muffler is quiet and restrictive for horsepower gains, especially if you have installed a new cam and/or turbo in your Silverado or Sierra truck.

A good sounding muffler and headers can be less restrictive. The pipes allow that large V8 to breath and give the most HP from that Vortec.

My experience: Flowmaster on my Silverado

The Flowmaster sound is synonymous with muscle cars and muscle trucks. Their chambered mufflers sound good, and I like that they have cat-back kits.

The full exhaust kit makes it easy to upgrade. Also, it’s easy to pick the right tone with their muffler sound comparison video.

I used a Flowmaster 40 series on my Silverado. The muffler had a nice low grumble at idle.

The full exhaust sounded good when accelerating and did not drone when going 55 miles per hour.

Find the best exhaust for the 6.0 Vortec LS motor on Amazon.

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