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Aftermarket Exhaust Modifications

BMW 340i Exhaust Upgrades (F30, F31 & F34)

Increase the performance & improve the sound of your BMW F30 / F31 340i's B58 engine. Shop aftermarket exhaust systems, downpipes & more.

Exterior Styling

Interior Styling

Engine & Performance

BMW G80 M3 Exhaust Systems

Exhaust Systems

Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated race only and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may be in violation of local, state, and Federal laws. R44 Performance Limited does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer. Read more at section 22 in our full terms of service here.