The CTS Turbo downpipe for the BMW B46 North American Market vehicles is made to maximize exhaust flow for the highest power gains. Do not compromise performance and sound with factory parts – unleash your BMW’s potential!Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. Manufactured from T304 stainless steel, hand TIG welded and back-purged to ensure years of reliable performance.Product Details:

• Precisely designed and tested on a real car in the real world
• Fitment specifically for B46 engines (US-spec vehicles)
• T304 stainless steel, TIG welded back-purged construction
• Great power upgrade with uncompromising performance
• Incredible sporty exhaust sound, subtle when cruising
• No drone with factory exhaust

The use of Bootmod3 stage 2 software is strongly recommended to avoid the CEL from coming on.Fitment for B46 SULEV engines only, with flange connection to exhaust. ALWAYS check your vehicle before placing your order:

• 2016-2020 F20/F22 BMW 220i, 230i including xDrive (B46 2.0T engine)
• 2016-2020 F30/F31 BMW 320i, 330e, 330i including xDrive (B46 2.0T Engine)
• 2016-2020 F32/F33/F36 BMW 420i, 430i including xDrive Models (B46 2.0T Engine)
• 2016 – 2020 G30 BMW 530i, 530e including xDrive Models (B46 2.0T Engine)
• 2016-2020 G11 BMW 730i, 740e including xDrive Models (B46 2.0T Engine)
• 2019-2023 G20 BMW 320i, 330i including xDrive (B46 2.0T Engine)
• 2019+ G29 BMW Z4 30i (B46 2.0T Engine)
• 2020+ A91 Toyota Supra 2.0 (B46 2.0T Engine)

Stage 2 software is required to avoid check engine light. Only fits cars without GPF/OPF, check the downpipe connection on your vehicle before order.