IRL F97 F98 X3M X4M Catback TIP STYLE:Stainless or go wild with Flow

or go wild with Flow Series animations for a show-stopping front-end presence

featuring Electronic exhaust valves for a factory-like operation

An ARM FMIC upgrade is one of the best modifications for your 335i because not only does it yield an average of 25whp and 27wtq but it does so consistently

especially in emergency braking situations

and WRX Limited CVT with Option Package #23

IRL F97 F98 X3M X4M Catback TIP STYLE:Stainless or go wild with FlowIntroducing our full Stainless steel Axleback exhaust system for the F97 platform. By popular demand we made sure that our system uses the Electronic exhaust valves for factory like operations. IRL Axleback System Features Constructed with stainless steel Lighter than the OEM exhaust Fully clamp on exhaust (no welding needed) 100% REVERSABLE, always able to go back to stock at any time Electronic exhaust valves for factory like operation **Individual