NewsSource
11-07-14, 01:48 PM
ROUSH Performance Products just introduced their latest Active Exhaust System for the S550 Mustang. And yes, it does exactly what it sounds like; only, you have complete control of how quiet or how loud you want your exhaust to be.
Click to Read Full Story... (http://www.mustangandfords.com/parts/1411-roush-performance-products-announces-active-exhaust-system-for-s550-mustangs/)
Click to Read Full Story... (http://www.mustangandfords.com/parts/1411-roush-performance-products-announces-active-exhaust-system-for-s550-mustangs/)