Based on the original concept of chambered exhaust that first appeared on high performance GM vehicles of the 1960’s, chambered exhaust produces a very unique & aggressive note. Now available these chambered mufflers can be added to your...

Stainless Works 2004 GTO CNC Mandrel bent 3" 304 s/s exhaust system. Bolts to factory flanges behind the catalytic converter with dual turbo mufflers and 3" X-pipe. Exits in factory valence opening with dual slash cut 3" tips. All hangers and clamps...

Stainless Works 2004 GTO CNC Mandrel bent 3" 304 s/s exhaust system. Bolts to factory flanges behind the catalytic converter with dual turbo mufflers and 3" x pipe. Exits in factory valence opening with single wide oval tip. All hangers and clamps...

2005-06 GTO CNC Mandrel bent 3" 304 s/s Turbo Chambered exhaust system. Bolts to factory flanges behind the catalytic converter with dual turbo mufflers and 3" x pipe. Exits in factory valence openings with dual rolled edge slash cut tips. All hangers...

2004 Pontiac GTO LS1 5.7L Dual Exhaust Tail Pipes w/ Tips NEW GM NOS 92066697. Item shipped as shown. Free Shipping In the US 48 States Only. AK, HI, PR, Canada & all others shipping will be calculated and we will email you regarding the amount.

Kooks, 2005-2006 Pontiac GTO LS2 6.0L 3" Stainless Steel Complete Exhaust System. Connects to Kooks Headers & X-Pipe or with Factory OEM Exhaust. Includes 3" Polished Oval Race Mufflers and Kooks 4" Polished Tips.  Call or email for shipping...

Mufflers, Pontiac GTO Magnaflow Replacement Muffler, sold per each These MagnaFlow performance mufflers are designed to give you more power and provide excellent sound. They feature a large-diameter, perforated stainless steel core and a...

Resonators, Pontiac GTO "Loud-Mouth" Shotgun, Get maximum flexibility from your modular SLP cat-back with these "Shotgun" race resonators. Standard equipment on many of our Loud Mouth systems, they make it possible to switch between muffled and "wide...

2004 GTO 5.7L V8 SLP Exhaust System, "Loud-Mouth" w/PowerFlo-X Crossover Pipe , Looking for the ultimate GTO cat-back system? SLP's new GTO Loud Mouth employs an integral X-pipe crossover and specially designed "Shotgun" race resonators to provide...

2005-2006 GTO 6.0L V8 SLP Exhaust System, "Loud Mouth", w/ PowerFlo-X Crossover Pipe, Bolt on a Loud Mouth® modular catalyst-back exhaust system from SLP on your 2005-2006 GTO for up to 5 extra horsepower and 5 foot-pounds of torque with the...