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CTS BMW Catalytic Converters for BMW 4 Series F32 (2014+)

Our Catalytic Converters are the same quality construction as OEM but at a third of the cost! These are a direct replacement for the original BMW catalytic converter. These bolt on to your stock exhaust manifold and muffler, no welding required. We offer cats for both pre-OBDII BMW's (pre 1996) and BMW's with OBDII (1996+). We offer both 50 state legal converters and less expensive 49 state versions. Meets all EPA and CARB requirements. A factory warranty is included: 5 year/25,000 for 49 State versions, and 5 years/50,000 miles on 50 State legal versions.

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CTS Turbo High Flow Catted Downpipe

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:18932307

Part#: EXH-DP-0037-CAT

Ships in 7 Business Days

$ 429.99 USD

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$ 429.99 USD

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The CTS Turbo High-Flow Cat for the BMW B46 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 T304 stainless steel, TIG welded back-purged construction Replaces restrictive factory downpipe with high-flow 200 cell catalytic converter Great power upgrade with uncompromising performance Incredible sporty exhaust sound, subtle when cruising No drone with factory exhaust The use of stage 2 software is strongly recommended to avoid the CEL from coming on.

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CTS High-Flow Catalytic Converter/Downpipe - N26

For vehicles equipped with an N26 engine

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:27871827

Part#: CTSEXHDP0054CAT

Ships in 7 Business Days

Sale - Save 10% $ 429.99

This product was last offered at the strikethrough price on
06-25-2026

$ 386.99 USD

Add to Wish List

Qty

Sale - Save 10%

$ 429.99

This product was last offered at the strikethrough price on
06-25-2026

$ 386.99 USD

Add to Wish List

The CTS Turbo High-Flow Cat for the BMW BN26 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!

Precisely designed and tested on a real car in the real world T304 stainless steel, TIG welded back-purged construction Replaces restrictive factory downpipe with high-flow 200-cell catalytic converter Great power upgrade with uncompromising performance Incredible sporty exhaust sound, subtle when cruising No drone with factory exhaust 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.

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CTS BMW Catalytic Converters for BMW 4 Series F32 (2014+)

CTS Turbo High Flow Catted Downpipe

CTS High-Flow Catalytic Converter/Downpipe - N26

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