M240I MIDPIPE UPGRADE C63 AMG Pairing the ARM MK7 Catted

Pairing the ARM MK7 Catted Downpipe with a proper tune will yield gains up to 60whp and 105wtq on the stock IS20 turbocharger

Carbon fiber inlet pipe

will be exactly where the rim will sit with the spacer size you choose

5 or Stage 4 module and have everything you need to match your future horsepower goals

Finally our popular and well-proven JB Plus quick install tuner is available for B46

M240I MIDPIPE UPGRADE C63 AMG Pairing the ARM MK7 CattedHIGHLIGHTS Improved Exhaust Note Lighter Than OEM by 20+LBS Maintains OEM Muffler SS304 Stainless Steel Smooth Mandrel Bent Tubing PROFILE The ARM M240i 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 M240i Midpipe eliminates the two central resonators found in the stock M240i midpipe. By retaining