The CTS Turbo Catless Downpipe BMW B58 is made to maximize exhaust flow for 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.

Stage 2 software is required to avoid check engine light. Only fits cars without GPF/OPF. The use of Bootmod3 stage 2 software is strongly recommended to avoid the CEL from coming on.

Please Note:

• Catalytic converters damaged by “crackle tune” are not covered under warranty.
• Stage 2 software is required to avoid check engine light.
• Only fits cars without GPF/OPF.
  

• 4.5″ downpipe, reducing down to 3.15″ or 80mm for perfect fitment to a factory or aftermarket exhaust
• Precisely designed and tested on a real car in the real world
• T304 stainless steel, TIG welded back-purged construction
• Replaces restrictive factory downpipe
• Great power upgrade with uncompromising performance
• Incredible sporty exhaust sound, subtle when cruising
• No drone with factory exhaust

• 2016+ F20 BMW M140i
• 2016+ F22/ BMW M240i & M240i xDrive
• 2016+ F30/F31/G20 BMW 340i & 340i xDrive
• 2016+ F32/F33/F36/G22/G23/G26 BMW 440i & 440i xDrive
• 2016+ G30/G31 BMW 540i & 540i xDrive
• 2016+ G11/G12 BMW 740i & 740i xDrive
• 2018+ G01 BMW X3 M40i xDrive
  
• 2018+ G02 BMW X4 M40i xDrive
  
• 2019+ G01 BMW X5 40i xDrive

CTS-EXH-DP-0024

Manufactured by

CTS Turbo

Warranty

1 Year CTS Turbo Warranty

All CTS Turbo products are warrantied against manufacturing defects for a period of 12 months from the date of invoice. Warranty does not cover abuse, misuse, consequential damages, normal wear and tear, improper installation, or damages resulting from racing. Warranties only apply to the original owner. If a product is found defective the customer will receive, at the discretion of CTS Turbo, free repair or replacement. Warranty on other manufacturers will be processed under their terms.