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Price: $360

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Give your 2008-09 Pontiac G8 GT 6.0L race-proven performance and a powerful deep muscle-car sound to match, with a Loud Mouth®rear-section exhaust system from SLP Performance Parts. This affordable, easy-to-install kit eliminates the two rear factory mufflers entirely, drastically reducing backpressure for enhanced power and a mind-blowing performance sound. (note: This Kit DOES create interior cabin resonance) This system will give your G8 GT a 10hp increase over stock. This exhaust kit eliminates the two rear mufflers and replaces them with two 16" long 2.5" O.D. stainless steel tubes. Combined with our all-new custom tailored G8 GT 304SS tip, you'll really feel, hear and best of all SEE the difference!G8 GT 6.0L Loudmouth® Axle-Back Exhaust System features:

• Maximum Flow with straight 2.5" Tubing
• Lighter than the OEM assembly
• Installs in under 30 minutes
• Constructed entirely from stainless steel
• Two custom tailored G8 GT 304SS tips
• Emissions legal in all 50 states
• Includes pre-welded hangers detailed instructions, and all necessary installation hardware
• Covered by SLP's Performance Guarantee and limited lifetime warranty

About us

We are GMPARTSHOUSE. Though new to we have been in business for over 10 years and offer the best customer service around. Please feel free to give us a call with any questions at 484-949-2099 and ask for Patrick.

We take pride in our response, if you can not rate us 5 stars and positive please give me a call so we can rectify the situation.

We are an authorized GM Dealer, SLP Master Parts Dealer, Hawk Performance Warehouse Distributor, Lloyd Mats Dealer and have partnerships with hundreds of other fine companies so our prices can not be beat!

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