The item listed is a premium quality, stainless steel, cat-back Valvetronic full replacement exhaust system for the BMW 135i F20. It comes lifetime guaranteed by Top Gear, is professionally mandrel bent and TIG welded out from 304 Grade Stainless Steel in order to provide a more free-flowing system, gaining both power and torque as well as an enhanced sound that is true to the character of the 135i. The install is complete- featuring the front, center, and rear sections, with sleek stainless steel finish tailpipes. The exhaust includes all relevant fittings required to install it, however, please note that we recommend professional installation.
The sound level this exhaust is configured for is an aggressive, sporty tone without sounding obnoxious. This unique exhaust configures a dual-tone setup controlled by a key fob which you can switch on the fly, changing from an aggressive sports note ideal for the open road to a tamer, spouse, and inner city-friendly note with the valves closed.
Bore Diameter- 3 Inch
Tailpipe Diameter- 3 Inch
Gaskets/Fitting Kit- Full fitting kit included
Installation instructions- Not included, we recommend professional installation
