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steel wire reinforced silicon air tube and (3) the 2x2 twill carbon fiber cover
All necessary hardward is also included for an easy installation
FRONT REAR SPRING RATES 16k 12k
Luxury Aesthetic Upgrade & Enhanced Interior
Borla XR-1 Multi-Core 3in Ctr-Ctr Oval 16in x 4.25in x 7.88in Rotary Engine Equipped Racing Muffler - 400371 fits_1977-1983`BMW`3 Series steel wire reinforced silicon airXR 1(r) Multi Core Racing Muffler. 3" Center Inlet 3" Center Outlet 4. 25" x 7. 88" Oval x 16" Long Body 21" Overall Length. Compact size is perfect for applications with limited space and can be used on a wide range of vehicles. It features BORLA(r)'S patented Multi Core 4 tube design for maximum flow, horsepower, and torque. The Multi Core portion of XR 1 mufflers flows better than straight tubing. Recommend for high horsepower applications.
