Collection: Exhaust System Upgrades For GMC Sierra GMT900
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Magnaflow V8-6.0L Dual Split Cat-Back Exhaust Silverado 2500/3500 HD (19377)
Vendor:MagnaflowRegular price $1,532.36 USDRegular priceUnit price / per$1,558.00 USDSale price $1,532.36 USDSale -

Magnaflow 2.50in California Grade Universal Catalytic Converter | California Universal (5481306)
Vendor:MagnaflowRegular price $620.52 USDRegular priceUnit price / per$794.00 USDSale price $620.52 USDSale -
Magnaflow 3.00in California Grade Universal Catalytic Converter | California (5592309)
Vendor:MagnaflowRegular price $1,003.88 USDRegular priceUnit price / per$1,284.00 USDSale price $1,003.88 USDSale -

Magnaflow California Grade Catalytic Converter | Chevy Silverado 2500 HD 6.0L (12-14) (5582812)
Vendor:MagnaflowRegular price $4,647.39 USDRegular priceUnit price / per$5,944.00 USDSale price $4,647.39 USDSale -
Magnaflow 3.00in Universal Catalytic Converter | California Compliant (5551209)
Vendor:MagnaflowRegular price $1,080.75 USDRegular priceUnit price / per$1,383.00 USDSale price $1,080.75 USDSale -
Magnaflow 2.25in California Grade Universal Catalytic Converter | California (5551205)
Vendor:MagnaflowRegular price $1,107.78 USDRegular priceUnit price / per$1,417.00 USDSale price $1,107.78 USDSale -

Magnaflow California Grade Direct-Fit Catalytic Converter | Chevrolet Tahoe 2007-2008 5.3L (5551194)
Vendor:MagnaflowRegular price $3,447.71 USDRegular priceUnit price / per$4,410.00 USDSale price $3,447.71 USDSale -
Magnaflow 3.00in Universal Catalytic Converter | California (5582409)
Vendor:MagnaflowRegular price $1,456.02 USDRegular priceUnit price / per$1,863.00 USDSale price $1,456.02 USDSale -
Magnaflow California Grade CARB Cat-Back | Silverado 2500/3500 HD (11-15) (4551252)
Vendor:MagnaflowRegular price $3,019.34 USDRegular priceUnit price / per$3,862.00 USDSale price $3,019.34 USDSale -

aFe 3in 409 SS Cat-Back Exhaust GM Silverado/Sierra 1500 (09-18) | 1500/Pro/SLT/WT (49-44111-P)
Vendor:aFeRegular price $925.59 USDRegular priceUnit price / per$1,049.00 USDSale price $925.59 USDSale -
aFe 3 IN 409 Stainless Steel Downpipe | MACH Force-Xp (49-44034)
Vendor:aFeRegular price $403.24 USDRegular priceUnit price / per$457.00 USDSale price $403.24 USDSale -
MagnaFlow California Grade 2.50in Universal Catalytic Converter | California (5582376)
Vendor:MagnaflowRegular price $1,428.08 USDRegular priceUnit price / per$1,827.00 USDSale price $1,428.08 USDSale -
CORSA Sport 3.0 in Cat-Back SSE | Silverado 2500 HD (14792)
Vendor:CORSA PerformanceRegular price From $1,640.47 USDRegular priceUnit price / per$1,918.00 USDSale price From $1,640.47 USDSale -

aFe Gemini XV 3in SS Cat-Back Exhaust w/ Cut-Out Black Tips | Silverado 1500 (09-18) (49-34133-B)
Vendor:aFeRegular price $1,634.12 USDRegular priceUnit price / per$1,852.00 USDSale price $1,634.12 USDSale -

aFe Gemini XV 3in SS Cat-Back Exhaust w/ Cut-Out Black Tips | Silverado 1500 (09-18) (49-34131-B)
Vendor:aFeRegular price $1,634.12 USDRegular priceUnit price / per$1,852.00 USDSale price $1,634.12 USDSale -

aFe 3in to 2.5in SS Cat-Back Exhaust w/ Black Tip | GM Silverado/Sierra 5.4L (09-18) (49-44098-B)
Vendor:aFeRegular price $1,017.35 USDRegular priceUnit price / per$1,153.00 USDSale price $1,017.35 USDSale -
MagnaFlow California Grade Catalytic Converter | Buick Chevy GMC Isuzu (5551206)
Vendor:MagnaflowRegular price $1,107.78 USDRegular priceUnit price / per$1,417.00 USDSale price $1,107.78 USDSale -

aFe 3in to 2.5in SS Cat-Back Exhaust | GM Silverado/Sierra 1500 V6-4.3L/V8-4.6L (09-18) (49-44098-P)
Vendor:aFeRegular price $925.59 USDRegular priceUnit price / per$1,049.00 USDSale price $925.59 USDSale -
aFe Atlas 5in DPF-Back SS Exhaust | GM Diesel Trucks V8 6.6L LML (11-13) (49-04041)
Vendor:aFeRegular price $370.59 USDRegular priceUnit price / per$420.00 USDSale price $370.59 USDSale -
aFe Atlas 5in DPF-Back SS Exhaust | GM Diesel Trucks V8-6.6L LML (49-04041-P)
Vendor:aFeRegular price $446.78 USDRegular priceUnit price / per$533.00 USDSale price $446.78 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.



















