Stock replacement cat-back with hardware
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For sedan models only
Audi A4 Exhaust Parts & Accessories
Includes related hardware and gaskets. Price includes a $14.95 core charge.
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Not legal for sale or use in the state of New York or California
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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This product was last offered at the strikethrough price on
05-02-2026
Keep your emissions in check
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Not for sale or use in the state of California.
New York & Federal Compliant
Keep your engine running efficiently
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
02-26-2026
Keep your emissions in check
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New York & Federal Compliant
Located between turbocharger and catalytic converter
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This product was last offered at the strikethrough price on
02-24-2026
Secures the muffler to the vehicle
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
02-26-2026
Seals the exhaust manifold to the cylinder head
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-02-2026
Allows the catalytic converter to bolt up to the turbocharger. M10x32
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Includes the flex section
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For manual transmission vehicles
- Brand:
- ASSO
- ES#:
- 4883996
- Mfg#:
- 8D0253301CL
This product was last offered at the strikethrough price on
05-07-2026
Connects the catalytic converter to the center exhaust muffler
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Automatic transmission vehicles only
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-02-2026
Connects the catalytic converter to the center exhaust muffler
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
02-26-2026
Commonly found between the exhaust pipe & rear muffler. 65x90mm
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Connects the center muffler to the rear muffler up to the 2012 model year
This OE style 55mm exhaust clamp is the perfect size for all 55mm exhaust tubing.
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Connects center muffler to rear muffler
2.5" T-304 Stainless Steel exhaust system with single tip Borla muffler
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For use with aftermarket 2.5" downpipe