Red Line 5W30 Motor Oil - Quart Forced Induction>Intercoolers Exhaust kit 15230 features a

Exhaust kit 15230 features a cat-back layout that replaces your ride's stock exhaust components from near the catalytic converter on back

Built with lightweight structural polyurethane

This system contains Borla(r)'s Polyphonic Harmonizer Technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

quad 4” double-walled slash-cut tips in Chrome Silver

N13 engine BMW Vehicles supported:

Red Line 5W30 Motor Oil - Quart Forced Induction>Intercoolers Exhaust kit 15230 features aMost popular oil for modern road cars and light trucks, as specified for most late model BMW, General Motors and Nissan vehicles