Ensure a proper seal on your exhaust manifold
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Keep your emissions in check
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California. New York & Federal Compliant
Seals the exhaust manifold to the cylinder head
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Includes related hardware and gaskets. Price includes a $14.95 core charge.
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Brand:
ES#:
1831735
Mfg#:
AMBCATKT
Back Ordered
$1024.99
This product was last offered at the strikethrough price on 05-07-2026
Contains all of the hardware you need to install a new catalytic converter on your A4
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Brand:
ES#:
2575492
Mfg#:
1H0253115DKT1
In Stock
ON SALE!
SAVE 21%
$69.99
This product was last offered at the strikethrough price on 05-02-2026
Keep your emissions in check
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California. New York & Federal Compliant
Install new hardware with your new parts. M8
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat! Used to secure the downpipe to the catalytic converter
Brand:
ES#:
251523
Mfg#:
N90085001
In Stock
$2.99
This product was last offered at the strikethrough price on 01-03-2026
Located between turbocharger and catalytic converter
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Brand:
ES#:
3188060
Mfg#:
8K0253115L
In Stock
$5.99
This product was last offered at the strikethrough price on 02-24-2026
Allows the catalytic converter to bolt up to the turbocharger. M10x32
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Original Equipment (OE) suppliers are companies that provide vehicle makers with parts and products used in the original vehicle manufacturing process. ECS Tuning has access to these companies and products, making their parts available to our customers.
Lifetime Replacement
