Looking for the ultimate GTO cat-back system? SLP's new GTO Loud Mouthemploys an integral X-pipe crossover and specially designed Shotgunrace mufflers to provide superior flow and performance, whileminimizing interior resonance. The resulting tone is deep, rich,and powerful-the consummate fusion of muscle-car aggression andgrand-touring civility. Like all SLP exhaust systems, the GTO LoudMouth is hand-built from 100 percent stainless steel and carriesa limited lifetime warranty.
Features
Constructed entirely from mandrel-bent stainless steel (2.5 OD)
Equipped with an integral X-pipe crossover for optimum performance and sound quality
Custom-designed Shotgun race mufflers provide virtually unrestricted exhaust flow
Features two hand-polished, double-wall tips
Designed to OEM standards of fit and durability
Covered by our limited lifetime warranty
Priced significantly less than competitors' stainless systems
Applications:
2004 - 2004 Pontiac GTO
SLP Exhaust Type Descriptions/Definitions/Details: (use as a guide to the exhaust system on this page for details about the muffler type.)
Model
Type
Sound Characteristics*
Noise Level*
Bullet-Type Open Resonator (or muffler delete)
Extremely aggressive; powerful high- and mid-range tones with
moderate resonance
Muffling, Bullet- Type Resonator
Similar to original Loud Mouth, but with a throatier tone and reduced
resonance
Straight-Through "Traditional" Muffler
Deep, rich, and mellow; minimal resonance
*
Volume and sound quality will vary based on engine and exhaust-system
specifications. Loudmouth also refers to some systems without any resonators such as the 2010 Camaro Loud Mouth and the 2005 Mustang Loud Mouth Axle backs where the mufflers are removed altogether. Images below are representations in order to better understand the differences.