ARM Motorsports S55 Resonated 3.5" Midpipe Upgrade (F8X M3/M4)
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ARM Motorsports S55 Resonated 3.5" Midpipe Upgrade (F8X M3/M4)

$599.00
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HIGHLIGHTS • Up to +20whp / 30wtq• Improved Exhaust Note• 304 Stainless Steel • Faster Turbo Spool  • Fits OEM and Aftermarket Mufflers PROFILE Introducing the ARM Motorsports S55 Single Midpipe Upgrade for the F8X platform, the ultimate solution for S55 enthusiasts seeking to enhance the power and sound from their S55-powered BMW. This S55 Midpipe upgrade delivers improved exhaust flow and an incredible exhaust note due to the resonated 3.5" design.  Check out the clips below to hear the ARM S55 Midpipe paired with the ARM S55 Resonated Downpipes. CONSTRUCTION Crafted from 304 stainless steel, the ARM S55 Midpipe Upgrade is built to last. Its mandrel-bent tubing ensures smooth, unrestricted flow, while the lightweight design of only 17lbs reduces overall weight of the exhaust system by 15lbs. When paired with the ARM S55 Track Exhaust, you shave an incredible 40lbs off compared to the OEM exhaust system. The ARM S55 Single Midpipe starts at the downpipe connections w

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