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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
Advanced CANbus OBDII integration
resulting in tangible performance gains
Built entirely by hand at our facility here in Chambersburg PA
TECH RESOURCES
✅ Universal Front Bumper Skid Guards
ARM 6" B58 Catless Downpipe - 240i 340i 440i 540i 640i 740i Supra autotecknic carbon fiber lower grill Advanced CANbus OBDII integrationHIGHLIGHTS 6" High Flow Section Improved Exhaust Sound Faster Turbo Spool Safely Flash Stage 2+ Tunes SS304 Stainless Steel PROFILE The ARM 6" B58 Downpipe takes the title of being the largest catless downpipe available for the B58 platform! The sound coming from your B58 with the 6" section of the ARM B58 Downpipe will astonish you. Even deeper tones, even better sound, and improved turbo spool. The ARM 6" B58 Downpipe is one of the foundational
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