Install new hardware with your new parts. M10
Used to secure the catalyst/downpipe to the turbo
Brand:
ES#:
4817
Mfg#:
N90369001
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
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on orders $49 and up
Lifetime Replacement
Keep your engine running efficiently
Fits left and right position
Brand:
ES#:
2636229
Mfg#:
1K0998262F
$142.99 USD
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on orders $49 and up
Lifetime Replacement
Located behind the catalytic converter
Brand:
ES#:
2712768
Mfg#:
078906265AA
$141.67 USD
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Lifetime Replacement
Fits the left and right side
2X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat! Fits from VIN 8D-W-180001 - Split is in the 1998 model year
Brand:
ES#:
2714
Mfg#:
078253039G
$9.99
This product was last offered at the strikethrough price on 09-04-2026
$5.19 USD
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on orders $49 and up
Lifetime Replacement
Also known as the 'combi valve'
Brand:
ES#:
2661314
Mfg#:
058131101B
$139.99 USD
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Lifetime Replacement
Seals the combi valve adapter to the cylinder head
Brand:
ES#:
4828
Mfg#:
078131120M
$4.81 USD
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on orders $49 and up
Lifetime Replacement
Keep your engine running efficiently
Brand:
ES#:
2825758
Mfg#:
1K0998262E
$129.99 USD
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Lifetime Replacement
Includes hardware to bolt up your cat-back system
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
2587760
Mfg#:
N0102478KT
ON SALE!
SAVE 19%
$28.99
This product was last offered at the strikethrough price on 10-28-2026
$23.51 USD
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on orders $49 and up
Lifetime Replacement
Seals the turbocharger to the catalytic converter
Brand:
ES#:
263525
Mfg#:
8D0253115
13% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$70.99
This product was last offered at the strikethrough price on 10-03-2026
$61.99 USD
Add to Cart
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on orders $49 and up
Lifetime Replacement
Keep your engine running efficiently
5X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat! For engine code AHA, fits left and right position
Brand:
ES#:
4505652
Mfg#:
021906265AK
$61.99 USD
Add to Cart
Free Shipping
on orders $49 and up
Lifetime Replacement
Keep your engine running efficiently
We Price Match - Give Us A Call or Chat! Up to VIN 8D-W-007799, split is in the 1998 model year
Brand:
ES#:
1558
Mfg#:
021906265AG
$123.99
This product was last offered at the strikethrough price on 08-01-2026
$117.99 USD
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Lifetime Replacement
Keep your engine running efficiently
Brand:
ES#:
2570165
Mfg#:
1K0998262T
$117.99 USD
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Lifetime Replacement
Includes the flex section
For manual transmission vehicles
Brand:
ES#:
205325
Mfg#:
860-931
$111.99 USD
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Lifetime Replacement
Located after the catalytic converter
For models with BGN engine code only - Fits left and right sides
Brand:
ES#:
3690282
Mfg#:
1K0998262R
$106.99 USD
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on orders $49 and up
Lifetime Replacement
Universal 3-Bolt flange for your custom exhaust project. Extra thick 10mm flange to avoid warping.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4007189
Mfg#:
028092ECS10AKT
ON SALE!
SAVE 25%
$27.99
This product was last offered at the strikethrough price on 06-13-2026
$20.99 USD
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on orders $49 and up
Lifetime Replacement
Replace your worn or damaged spring
Brand:
ES#:
2522909
Mfg#:
893253353
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$28.99
This product was last offered at the strikethrough price on 11-05-2026
$25.99 USD
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on orders $49 and up
Lifetime Replacement
More About Exhaust Parts & Accessories
From stock exhaust system repairs to polished stainless steel performance exhaust, we have exhaust pipes, mufflers, resonators, and catalytic converters from the most respected suppliers in the business. Go loud, stay soft, look good with exhaust parts and systems from ECS Tuning.