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This connection utilizes a CNC machined v-band system for connecting between the downpipe and adapter of your choice
or if you have an RS7 with the OEM inlets
The ARM G-Series downpipes come with a flex section to relieve stress between the upper and lower portion of the downpipe
Below is a datalog from our project 335xi equipped with upgraded turbos
S58 4.5" MIDPIPE - G80 M3 G82/G83 M4 g80 midpipe This connection utilizes a CNC30 Day Money Back Guarantee IN STOCK HIGHLIGHTS Exotic Exhaust Sound Massive 4. 5" Design SS304 Stainless Steel Saves 15lbs Over OEM PROFILE The ARM S58 4. 5" Single Midpipe upgrade is designed to unleash the incredible exhaust sounds from your G8X M3 M4. By removing the secondary catalysts and two middle resonators, the ARM S58 Single Midpipe substantially improves the sound of your S58 powered BMW. Also, by retaining the OEM muffler, you still have
