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Below is a datalog from our project 335xi equipped with upgraded turbos
5" size all the way to the turbo
- Made in Nicaragua
while simultaneously blocking out the majority of the heat in the engine bay
The resonator is designed to attenuate high-frequency and raspy exhaust notes commonly associated with turbocharged BMW engines
340i 440i MIDPIPE UPGRADE inline six Below is a datalog fromHIGHLIGHTS Improved Exhaust Note Lighter Than OEM Maintains OEM Muffler SS304 Stainless Steel Smooth Mandrel Bent Tubing PROFILE The ARM 340i Midpipe significantly improves the sound of your B58, giving it the aggressive exhaust note you're looking for from a tuned B58 powered BMW. Designed to amplify the power and sound of your B58, the ARM 340i Midpipe eliminates the two central resonators found in the stock 340i midpipe. By retaining the OEM