MILLTEK SSXBM1040 Cat-back Twin 90mm GT90 BMW 1 Series M140i 3&5 Door (F20&F21 LCI) ymm_17 This system delivers a significant

This system delivers a significant increase in air mass flow and features a combination of performance and aggressive design

Working Pressure

Note: This product does not include the switch

This radiator cap can support the reliable cooling performance under severe driving conditions

and meet the ARP "ZERO defect - ZERO failure" quality standard

MILLTEK SSXBM1040 Cat-back Twin 90mm GT90 BMW 1 Series M140i 3&5 Door (F20&F21 LCI) ymm_17 This system delivers a significantDescription MILLTEK SSXBM1040 Cat back Twin 90mm GT90 BMW 1 Series M140i 3&5 Door (F20&F21 LCI) The Cat Back systems are designed as direct replacements for the original exhaust, offering improved sound and aesthetics. Multiple configurations are available, allowing the owner to select the desired increase in exhaust volume or a more aggressive tone. All products are manufactured from 304L aircraft grade stainless steel, ensuring durability in harsh