The CTS Turbo High-Flow Cat pipe for the BMW B58 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.
Proper software is strongly recommended to avoid the CEL from coming on.
*Not included* but recommended:
- Downpipe ring gasket (18328612538) Available from your local BMW dealer.
SPECIAL TOOLS REQUIRED For Installation
1. T50 Torx
2. Oxygen sensor socket
- 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
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.
Does this fit my vehicle?
|Start Year||End Year||Make||Model||Submodel||Cyl||Lit||Fuel||FuelDel||ASP||EngDesg||Notes|
|2016||2018||BMW||3 Series||340i Sedan
340i xDrive Sedan
|2017||2019||BMW||3 Series||340i GT xDrive||L6||3.0||GAS||FI||T||B58|
|2017||2019||BMW||4 Series||440i Coupe
440i xDrive Coupe
|2017||2019||BMW||4 Series||440i Convertible
440i xDrive Convertible
|2017||2019||BMW||4 Series||440i Gran Coupe
440i xDrive Gran Coupe
|2017||2019||BMW||5 Series||540i Sedan
540i xDrive Sedan
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