340i 440i MIDPIPE UPGRADE inline six while simultaneously blocking out the

while simultaneously blocking out the majority of the heat in the engine bay

This listing includes the retrofit harness only

5" size all the way to the turbo

it will actually reduce timing and limit the amount of power the engine can produce in order to avoid damage

- Made in Nicaragua

340i 440i MIDPIPE UPGRADE inline six while simultaneously blocking out theHIGHLIGHTS 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