ARM Motorsports Midpipe Upgrade - BMW M240i B58 (F22) 2017-2021 Add Single Exit Exhaust?:M240i Single Exit (+$197) Grimmspeed understands that because the

Grimmspeed understands that because the top mount intercooler design is more prone to heat soak

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This tapered design allows for huge increases in air volume for increased performance and maximum efficiency across the entire RPM band

ARM Motorsports Midpipe Upgrade - BMW M240i B58 (F22) 2017-2021 Add Single Exit Exhaust?:M240i Single Exit (+$197) Grimmspeed understands that because theHIGHLIGHTS 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