Aftermarket Exhaust Modifications

BMW M340i Exhaust Upgrades (G20 & G21)

Increase the noise & performance of your BMW G20 / G21 M340i's B58 engine with an aftermarket exhaust system upgrade. Shop full exhaust systems & more.

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Leib BMW G Series & F Series CAN MIL Delete Module For OPF & Cat Errors
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dAHLer BMW Exhaust Flap/Valve Controller-R44 Performance dAHLer BMW Exhaust Flap/Valve Controller-R44 Performance
Grail Automotive BMW Exhaust Valve Controller Grail Automotive BMW Exhaust Valve Controller - Single Valve
Leib BMW B58 OPF Delete Cables (F20/F22/F30/F32/G20/G22/G42)-R44 Performance
BMW B58 Gen 2 OPF Sports Cat Downpipe (G Series M240i, M340i, M440i, Z4 M40i, Supra A90 & more) BMW B58 Gen 2 OPF Sports Cat Downpipe (G Series M240i, M340i, M440i, Z4 M40i, Supra A90 & more)
BMW B58 Gen 2 OPF Decat Downpipe (G Series M240i, M340i, M440i, Z4 M40i, Supra A90 & more) BMW B58 Gen 2 OPF Decat Downpipe (G Series M240i, M340i, M440i, Z4 M40i, Supra A90 & more)
Leib BMW G Series CAN BUS Pro 1 Valve (G42/G20/G22 etc)-R44 Performance Leib BMW G Series CAN BUS Pro 1 Valve (G42/G20/G22 etc)-R44 Performance
Remus BMW M340i/M440i xDrive Axle-Back System (G20/G22)-R44 Performance Remus BMW M340i/M440i xDrive Axle-Back System (G20/G22)-R44 Performance
Valvetronic Designs BMW G20 M340i & G22 M440i Valved Sport Exhaust System Valvetronic Designs BMW G20 M340i & G22 M440i Valved Sport Exhaust System
Akrapovic BMW M340i & M440i Exhaust Sound Kit Akrapovic BMW M340i & M440i Exhaust Sound Kit
Akrapovic BMW M340i & M440i OPF Exhaust Midpipe
Akrapovic BMW G20 G21 M340i & G26 M440i OPF Back Exhaust
Akrapovic BMW G20 G21 M340i & G26 M440i Titanium Exhaust Akrapovic BMW G20 G21 M340i & G26 M440i Titanium Exhaust
BMW Helical Exhaust Valve 2.9inch SBS Type EV70532-MX0-33 BMW Helical Exhaust Valve 2.9inch SBS Type EV70532-MX0-33
Leib BMW G Series B58 B48 CatOPF Delete With CAN BUS Pro Functions - R44 Performance