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
LEIB EngineeringLeib BMW G Series & F Series CAN MIL Delete Module For OPF & Cat Errors
£309.99GBP
dAHLer BMW Exhaust Flap/Valve Controller-R44 Performance dAHLer BMW Exhaust Flap/Valve Controller-R44 Performance
daHlerdAHLer BMW Exhaust Flap/Valve Controller
£584.99GBP
Grail Automotive BMW Exhaust Valve Controller Grail Automotive BMW Exhaust Valve Controller - Single Valve
Grail AutomotiveGrail Automotive BMW Exhaust Valve Controller
From £369.99GBP
Leib BMW B58 OPF Delete Cables (F20/F22/F30/F32/G20/G22/G42)-R44 Performance
LEIB EngineeringLeib BMW B58 OPF Delete Cable (F20/F22/F30/F32/G20/G22/G42)
£179.99GBP
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
LEIB EngineeringLeib BMW G Series CAN BUS Pro 1 Valve (G42/G20/G22 etc)
£519.99GBP
BMW Helical Exhaust Valve 2.9inch SBS Type EV70532-MX0-33 BMW Helical Exhaust Valve 2.9inch SBS Type EV70532-MX0-33
Helical TechnologyHelical Technology BMW Helical Exhaust Valve 2.9inch SBS Type (Single)
£249.99GBP
Leib BMW G Series B58 B48 CatOPF Delete With CAN BUS Pro Functions - R44 Performance
LEIB EngineeringLeib BMW M240i/M340i/M440i B58/B48 Cat/OPF Delete Kit With CAN BUS Pro Functions (G42/G20/G22/F40/F44)
£669.99GBP
Save £195.40
Remus BMW M340i/M440i xDrive Axle-Back System (G20/G22)-R44 Performance Remus BMW M340i/M440i xDrive Axle-Back System (G20/G22)-R44 Performance
RemusRemus BMW M340i/M440i xDrive Axle-Back System (G20/G22)
From £1,758.60GBP £1,954.00GBP