1999-04 Mustang GT/Mach 1 SLP "ProFlow" Exhaust System

SLPs Mustang cat-backs have always been the best performing exhaust systems in the business. Now theyre the most versatile, too! Using groundbreaking modular technology first seen on our Mustang X-pipes, weve 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 youre done. No other exhaust offers this level of performance and adaptability!

Along with the included mufflers, the Mustang PowerFlo system is compatible with our original Loud Mouth resonators (#31062) and our all new, bullet-type "Loud Mouth II" race mufflers (#31064). Buy all three for complete control over your Mustangs sound and performance characteristics.

NOTES: Includes PowerFlo mufflers. Loud Mouth resonators and Loud Mouth II race mufflers sold separately.

FEATURES:

• Includes straight-through type PowerFlo mufflers for superior performance; minimal resonance; and a deep, rich tone
• 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

• Features show quality polished mufflers and 3.5" double-wall tips with electromarked SLP logo
• For 1999-2004 GT and Mach I models