Airaid Universal Air Filter - Cone 4in Flange x 6in Base x 4-5/8in Top x 7in Height - Synthaflow 2018-bmw-440i-xdrive-gran-coupe-base-esi3821696 Finishing off this exhaust system

Finishing off this exhaust system are dual 3-1/2 IN diameter 304 stainless steel clamp-on exhaust tips

It features BORLA(r)'S patented Multi-Core 2 tube design for maximum flow

The rear resonator assembly contains an internal H-Pipe for increased performance and improved sound

Lighter than the traditional A1000 pump

Airaid Universal Air Filter - Cone 4in Flange x 6in Base x 4-5/8in Top x 7in Height - Synthaflow 2018-bmw-440i-xdrive-gran-coupe-base-esi3821696 Finishing off this exhaust systemThe AIRAID Premium Filter is a performance, high air flow air filter that is designed to increase horsepower and torque for your engine. The air filter is constructed with multiple layers of filter media combined with AIRAID's unique filtration technology resulting in a superior filtration system. AIRAID Premium Filters efficiently filter dirt particles in a way that ordinary cotton gauze performance filters are unable to. Whether you have a custom