BMW F90 M5 S63 4.4L Performance Downpipes

Easily bolts-on no cutting or welding required! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
These catalytic converters are not legal for use on vehicles registered in the state of California as a result of California Vehicle Code Section 27156 and 38391.

Brand:

ES#:

4905078

Mfg#:

11-063A

Will not produce a CEL affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4381955

Mfg#:

11-063

5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$2999.00

This product was last offered at the strikethrough price on
06-05-2026

$2849.99 USD

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Lifetime Replacement

Reduce your BMW's exhaust restrictions for greater power potential! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4430800

Mfg#:

EXHDP0042CAT

$1199.99 USD

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Lifetime Replacement

Replaces your factory catalytic converter with high flow sport cats for increased performance while staying road legal! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3677943

Mfg#:

525241KT