SLP Exhaust

LoudMouth's® Cobra exhaust system has always been the best-performing cat-back exhaust in the business. Now it's the most versatile, too! Using groundbreaking modular technology first seen on our...

The Mustang LoudMouth® has always been the best performing cat-back exhaust in the business. Now it's the most versatile, too! Using groundbreaking modular technology first seen on our Mustang...

The Mustang LoudMouth® Exhaust System has always been the best performing cat-back exhaust in the business. Now it's the most versatile, too! Using groundbreaking modular technology first seen...

LoudMouth's Mustang Exhaust Systems have always been the best-performing cat-back exhausts in the business. Now it's available for the 1986-1993 Fox-Body Mustangs including 1993 Cobra's and most...