4 inch / 102mm Round
A 4 inch / 102mm Round Exhaust muffler silencer by Profusion Exhausts is by far the best available to control the vehicle sound while delivering a complementary deep tone. A 4 inch / 102mm Round muffler silencer is perfect to use as a resonator or a Back Box. Our 4 inch / 102mm Round muffler silencer in 304-grade stainless steel is fully welded for deep sound. Rule of thumb is the bigger the silencer, the quieter the exhaust sound.