|
best bet would be to have a shop make you a custom one as there arent really any aftermarket kits ready to go for you. But other than increasing the sound, probably not much performance will be realized on the 28i with a new exhaust.
__________________
Current: 2020 X5 x40i M-Sport, Arctic Grey Metallic / Ivory White, Executive Package, Luggage Compartment Package, Integral Active Steering, Tow Package, Parking Assist Package, Driving Assist Package, M-Sport brakes, Tux Mats
|