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this remake of the stock exhaust results in a X3M/X4M with an amazing sound
Fits universally on various Audi
and two Helmholtz drone canceling technology cans at the rear (no reduced inner cores to restrict flow) this free-flowing system will give your vehicle a deep
CNC machining allows multiple wrench placements to ensure a secure torque
Stock airbox assembly including filter:
Active Autowerke BMW E9X M3 Performance Air Filter + Cleaning Kit Combo bmw x3m f97 this remake of the stockClick below to see detailed descriptions of each product: E9X Performance Air Filter Cleaning Kit ACTIVE AUTOWERKE BMW E9X M3 PERFORMANCE AIR FILTER The Active Autowerke BMW E9x M3 Performance Air filter was engineered and designed to effectively increase your BMW M3's horsepower while maintaining OEM like fit and quality. The Active Autowerke M3 'Green' Filter features a special reinforced side wall to guarantee perfect fit and no failure like many
