Collection: Exhaust System Upgrades For GMC Sierra GMT900
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aFe MACHForce XP Exhaust 5in DPF-Black | GM 07.5-14 V8-6.6L LMM (49-44040-B)
Vendor:aFeRegular price $647.65 USDRegular priceUnit price / per$734.00 USDSale price $647.65 USDSale -
aFe MACHForce XP Exhaust 5in DPF GM Diesel 07.5-14 (49-44040-P)
Vendor:aFeRegular price $582.35 USDRegular priceUnit price / per$660.00 USDSale price $582.35 USDSale -
aFe Twisted Steel 409 SS Headers | GM Silverado/Sierra 1500/2500/3500 (02-13) (48-44001)
Vendor:aFeRegular price $1,099.00 USDRegular priceUnit price / per$1,099.00 USDSale price $1,099.00 USD -
BD Diesel Exhaust Manifold Kit | Chevy Silverado 1500 & GMC Sierra 1500 (02-13) (1041400)
Vendor:BD DieselRegular price $576.13 USDRegular priceUnit price / per$593.95 USDSale price $576.13 USDSale -

Kooks Header & Catted Y-Pipe Kit | Chevy Silverado/Suburban/Tahoe/GMC Sierra/Yukon XL (2855H420)
Vendor:Kooks HeadersRegular price $2,895.38 USDRegular priceUnit price / per$3,454.13 USDSale price $2,895.38 USDSale -
Wehrli 2in SS Up Pipe | Chevy 01-16 6.6L Duramax (WCF100652)
Vendor:WehrliRegular price $332.82 USDRegular priceUnit price / per$345.00 USDSale price $332.82 USDSale -
MBRP 4in Filter Back Aluminized Exhaust System | Chevy/GMC 2500/3500 07-19 (S6032AL)
Vendor:MBRPRegular price $332.18 USDRegular priceUnit price / per$494.11 USDSale price $332.18 USDSale -
BD Diesel Passenger Side Exhaust Manifold | Chevy Silverado/GMC Sierra 02-14 (1041401)
Vendor:BD DieselRegular price $312.29 USDRegular priceUnit price / per$321.95 USDSale price $312.29 USDSale -
Kooks 07-14 GM 1500 3in x OEM Out Cat SS Y Pipe | Silverado Tahoe Escalade (28543200)
Vendor:Kooks HeadersRegular price $1,605.59 USDRegular priceUnit price / per$1,819.67 USDSale price $1,605.59 USDSale -
Wehrli Duramax Exhaust Manifold Kit | Chevy Silverado/GMC Sierra 01-16 (WCF100363)
Vendor:WehrliRegular price $1,401.65 USDRegular priceUnit price / per$1,445.00 USDSale price $1,401.65 USDSale -
MagnaFlow OEM Grade Catalytic Converter | Acura, Chevy, GMC, Honda, VW (51656)
Vendor:MagnaflowRegular price $238.92 USDRegular priceUnit price / per$306.00 USDSale price $238.92 USDSale -
Stainless Works 1-7/8in Headers & Y-Pipe | Chevy Silverado/GMC Sierra (07-13) (CT07HCATY)
Vendor:Stainless WorksRegular price $2,250.00 USDRegular priceUnit price / per$2,550.00 USDSale price $2,250.00 USDSale -
Magnaflow Conv Universal 2.5in Inlet/Outlet | OE Fit (51006)
Vendor:MagnaflowRegular price $196.71 USDRegular priceUnit price / per$252.00 USDSale price $196.71 USDSale -
MBRP 01-14 Chevy/GMC 6.6L Duramax Turbo Down Pipe | (GM8424)
Vendor:MBRPRegular price $191.00 USDRegular priceUnit price / per$284.11 USDSale price $191.00 USDSale -
Magnaflow 2.50in Conv Univ | Various GM, Dodge, Ford, Toyota, Lexus, Jeep (99006HM)
Vendor:MagnaflowRegular price $188.91 USDRegular priceUnit price / per$242.00 USDSale price $188.91 USDSale -
JBA LS Silver Ctd Header | GM Truck 99-19 (1850S-2JS)
Vendor:JBARegular price $777.19 USDRegular priceUnit price / per$986.28 USDSale price $777.19 USDSale -
BBK 99-04 GM Truck/SUV 6.0 Shorty Tuned Length Headers | (4006)
Vendor:BBKRegular price $482.34 USDRegular priceUnit price / per$559.99 USDSale price $482.34 USDSale -
Kooks 07-14 GM 1500 Series Headers | Cadillac Escalade/GM Silverado/Sierra (28501120)
Vendor:Kooks HeadersRegular price $1,669.41 USDRegular priceUnit price / per$1,892.00 USDSale price $1,669.41 USDSale -
Kooks SS Exhaust Gaskets | GM LSX (SS-755818)
Vendor:Kooks HeadersRegular price $35.64 USDRegular priceUnit price / per$40.38 USDSale price $35.64 USDSale -
Gibson 02-05 Cadillac Escalade 1-1/2in SS Header | Chevy/GMC/GM (GP129S)
Vendor:GibsonRegular price $857.32 USDRegular priceUnit price / per$2,040.10 USDSale price $857.32 USDSale
Exhaust System Upgrades for GMC Sierra GMT900: Enhance Power and Sound
Upgrade your GMC Sierra GMT900 with exhaust system components designed to improve performance, throttle response, and exhaust tone. This collection offers a range of premium aftermarket parts engineered specifically for the GMT900 platform, ensuring precise fitment and durable construction for reliable results.
How Exhaust Upgrades Improve Your GMC Sierra GMT900’s Performance
Upgrading your exhaust system can significantly enhance your truck’s power delivery and efficiency by improving exhaust flow and reducing backpressure. Performance headers, high-flow mufflers, and cat-back systems work together to optimize the path exhaust gases take, resulting in better throttle response and a more aggressive sound profile.
- Headers increase exhaust scavenging for improved horsepower
- High-flow mufflers reduce restrictions while maintaining sound quality
- Cat-back systems provide a complete upgrade from the catalytic converter back
- Resonators help fine-tune exhaust tone and reduce drone
Choosing the Right Exhaust Components for Your GMT900
Selecting the proper exhaust parts depends on your performance goals and sound preferences. Consider whether you want a full cat-back system for a comprehensive upgrade or individual components like headers or mufflers to target specific improvements. Materials such as stainless steel offer enhanced durability and corrosion resistance, important for long-term use on your GMC Sierra.
Shop Quality Exhaust System Upgrades for Your GMC Sierra GMT900 at WheelFlip
Our curated selection of exhaust upgrades is tailored to fit the GMT900 platform, combining performance gains with reliable fitment and lasting quality. Whether you’re looking to boost power, refine exhaust sound, or both, explore WheelFlip’s collection to find the right parts for your build and driving style.



















