Collection: Exhaust System Upgrades For Pontiac G8 I
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MagnaFlow Street Series Stainless Axle-Back Performance Exhaust System | Pontiac G8 (08-09) (16883)
Vendor:MagnaflowRegular price $952.28 USDRegular priceUnit price / per$968.00 USDSale price $952.28 USDSale -
Cometic MLS Exhaust Gaskets | GM LS1/5.3/6.0L 2004-2019 (C5818-030)
Vendor:Cometic GasketRegular price $37.14 USDRegular priceUnit price / per$43.85 USDSale price $37.14 USDSale -
Borla CrateMuffler - S-Type | Multiple Fitments (400944)
Vendor:BorlaRegular price $374.99 USDRegular priceUnit price / per$419.99 USDSale price $374.99 USDSale -
Kooks 08-09 G8 GT/GXP LS2/LS3 3in In x 2.5in OEM Out Cat X Pipe | G8 (24203200)
Vendor:Kooks HeadersRegular price $2,442.18 USDRegular priceUnit price / per$2,767.80 USDSale price $2,442.18 USDSale -
Kooks 1 7/8in x 3in Shorty Header | G8 08-09 (24201420)
Vendor:Kooks HeadersRegular price $1,675.09 USDRegular priceUnit price / per$1,898.44 USDSale price $1,675.09 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 -
Fel-Pro Exhaust Manifold Gasket Set | Chevy Silverado/Corvette/Camaro (MS92467)
Vendor:Fel-ProRegular price $14.07 USDRegular priceUnit price / perSale price $14.07 USD -

Stainless Works 3in Catback XPipe Turbo Chambered 3.5in Tips | Pontiac G8 GT (08-09) (PG8CB)
Vendor:Stainless WorksRegular price $1,848.53 USDRegular priceUnit price / per$2,095.00 USDSale price $1,848.53 USDSale -
Stainless Works 3in Catback System X-Pipe Turbo Chambered Muffler 3.5in Tips | Pontiac G8 GT (08-09) (PG8CBFC)
Vendor:Stainless WorksRegular price $1,848.53 USDRegular priceUnit price / per$2,095.00 USDSale price $1,848.53 USDSale -
Magnaflow 2.25in Universal CARB Catalytic Converter | California (5461205)
Vendor:MagnaflowRegular price $967.68 USDRegular priceUnit price / per$1,238.00 USDSale price $967.68 USDSale -
Magnaflow California Direct-Fit Catalytic Converter | Pontiac G8 (08-09) (5461628)
Vendor:MagnaflowRegular price $1,344.46 USDRegular priceUnit price / per$1,720.00 USDSale price $1,344.46 USDSale -

MagnaFlow California Grade CARB Catalytic Converter 2.50in | Universal, California (5461206)
Vendor:MagnaflowRegular price $967.68 USDRegular priceUnit price / per$1,238.00 USDSale price $967.68 USDSale -
MagnaFlow California Direct-Fit Catalytic Converter | Pontiac G8 (08-09) (5461627)
Vendor:MagnaflowRegular price $1,344.46 USDRegular priceUnit price / per$1,720.00 USDSale price $1,344.46 USDSale -

CORSA Sport / 2.5 in Cat-Back 3.0 in Twin Tips | 2008-2009 Pontiac G8 GT, GXP 6.0L, 6.2L (14950)
Vendor:CORSA PerformanceRegular price $2,692.80 USDRegular priceUnit price / per$3,465.99 USDSale price $2,692.80 USDSale -
Corsa 2.5 Cat-Back + X-Pipe | Pontiac G8 GT/GXP (08-09) (14950)
Vendor:CORSA PerformanceRegular price $2,549.13 USDRegular priceUnit price / per$3,108.99 USDSale price $2,549.13 USDSale -
Borla Cat-Back Exhaust System - S-Type | Multiple Fitments (140287)
Vendor:BorlaRegular price $2,049.99 USDRegular priceUnit price / per$2,295.99 USDSale price $2,049.99 USDSale -
Borla CrateMuffler - ATAK | Multiple Fitments (400945)
Vendor:BorlaRegular price $319.99 USDRegular priceUnit price / per$357.99 USDSale price $319.99 USDSale -
Borla CrateMuffler - S-Type | Multiple Fitments (400946)
Vendor:BorlaRegular price $369.99 USDRegular priceUnit price / per$413.99 USDSale price $369.99 USDSale -
Borla CrateMuffler - ATAK | Multiple Fitments (400947)
Vendor:BorlaRegular price $316.99 USDRegular priceUnit price / per$354.99 USDSale price $316.99 USDSale
Exhaust System Upgrades for Pontiac G8 I: Enhance Power, Sound, and Performance
Upgrade your Pontiac G8’s exhaust system with parts designed to boost horsepower, improve throttle response, and deliver a more aggressive exhaust note. This collection features premium aftermarket components tailored specifically for the G8, ensuring proper fitment and reliable performance enhancements.
What Are the Key Benefits of Upgrading Your Pontiac G8 Exhaust System?
Upgrading your exhaust system can significantly improve your vehicle’s overall performance and driving experience. Enhanced exhaust flow reduces backpressure, which helps increase engine efficiency and responsiveness. Additionally, aftermarket exhaust components often provide a deeper, more aggressive sound that complements the G8’s sporty character.
- Improved horsepower and torque through better exhaust flow
- Enhanced throttle response for quicker acceleration
- More aggressive and refined exhaust tone
- Potential weight reduction with lighter aftermarket parts
Which Exhaust Components Should I Consider for My Pontiac G8?
This collection includes a variety of exhaust upgrades designed to fit your G8’s factory setup. High-flow catalytic converters improve emissions performance while allowing better exhaust flow. Cat-back systems replace the exhaust from the catalytic converter back, enhancing sound and power. Performance mufflers and headers further optimize exhaust scavenging and tone.
How to Choose the Right Exhaust Upgrade for Your Pontiac G8
Selecting the right exhaust parts depends on your performance goals and sound preferences. Consider whether you want a full cat-back system for a comprehensive upgrade or specific components like headers or mufflers to target particular improvements. Shop our curated Pontiac G8 exhaust system upgrades at WheelFlip to find quality parts with confident fitment and expert support.













