SLP's F-Body cat-backs have always been the best performing exhaust systems in the business. Now they're the most versatile, too! Using our industry-exclusive modular design architecture, we've developed a line of systems that can be quickly reconfigured to fit changing performance, noise level, and sound quality requirements. Simply loosen a few band clamps, swap muffler types, retighten, and you're done. No other exhaust offers this level of performance and adaptability! 
Along with the included race muffler, the F-Body Loud Mouth™ system is compatible with our original Loud Mouth II™ bullet-type race muffler (#31067). Get both for complete control over your car's sound and performance characteristics.  NOTES: Includes Loud Mouth™ resonator. Loud Mouth II™ race mufflers sold separately. 
FEATURES:

• Includes our infamous Loud Mouth™ resonator for virtually zero flow restriction and the meanest sound around
• Employs SLP's exclusive modular technology, making it possible to switch between muffler and resonator types in a matter of minutes
• Engineered and built to OEM standards to ensure proper fit
• Constructed entirely from mandrel-bent stainless steel
• Features a show quality polished resonator and 4.0" "dual wall tips
• For 1998-2002 LS1 F-Bodies