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Audi B5 S4 2.7T

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Audi B5 S4 2.7T OE Catalytic Converters

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Self-Locking Nut - Priced Each

ES#2588753 - N90369001 - Self-Locking Nut - Priced Each - Install new hardware with your new parts. M10x1.5 - Rein - Audi BMW Volkswagen

Install new hardware with your new parts. M10x1.5 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Used to secure the catalyst/downpipe to the turbo

Brand:
Rein - Corporate Logo
ES#:
2588753
Mfg#:
N90369001
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#5901 - 8D0253115F - Exhaust Gasket - Priced Each - Seal the turbocharger to the downpipe - Victor Reinz - Audi

Seal the turbocharger to the downpipe

Brand:
Victor Reinz - Corporate Logo
ES#:
5901
Mfg#:
8D0253115F
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Downpipe Installation Hardware Kit - K03/K04 & Tial 605

ES#4877037 - 034-105-A002 - Downpipe Installation Hardware Kit - K03/K04 & Tial 605 - Everything you need to install 034Motorsport 3" Downpipes onto your Borg Warner K03/K04 or Tial 605 Turbochargers. - 034Motorsport - Audi

Everything you need to install 034Motorsport 3" Downpipes onto your Borg Warner K03/K04 or Tial 605 Turbochargers. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4877037
Mfg#:
034-105-A002
Ships in 2 Business Days
$78.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Self-Locking Nut - Priced Each

ES#4817 - N90369001 - Self-Locking Nut - Priced Each - Install new hardware with your new parts. M10 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M10 Used to secure the catalyst/downpipe to the turbo

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4817
Mfg#:
N90369001
In Stock
31% off MSRP

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

$17.45

This product was last offered at the strikethrough price on
07-08-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Downpipe Installation Kit

ES#2576064 - 8D0253115FKT1 - Downpipe Installation Kit - Install new hardware with your downpipe - Assembled By ECS - Audi

Install new hardware with your downpipe 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2576064
Mfg#:
8D0253115FKT1
In Stock
ON SALE! SAVE 12%
$106.99

This product was last offered at the strikethrough price on
10-28-2026

$93.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#5340894 - 8D0253115F - Exhaust Gasket - Priced Each - Seal the turbocharger to the downpipe - Elring - Audi

Seal the turbocharger to the downpipe 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5340894
Mfg#:
8D0253115F
Ships on Dec 2, 2026
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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