Located after the catalytic converter
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For models with BGN engine code only - Fits left and right sides
Audi A4 Exhaust Emission Parts
Between the exhaust manifold and downpipe, requires 2
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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
06-03-2026
Seals the down pipe to the catalytic converter
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This product was last offered at the strikethrough price on
05-07-2026
Stainless steel weld-in nut for any O2 sensor
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Install new hardware with your new parts. M10X28
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Allows the catalytic converter to be secured to the turbocharger
This product was last offered at the strikethrough price on
05-02-2026
Keep your engine running efficiently
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Keep your engine running efficiently
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For engine code ATQ, fits left and right position
Seals the catalytic converter to the downpipe
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Contains all of the hardware you need to install new downpipes on your Audi
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This product was last offered at the strikethrough price on
02-10-2026
Seals the downpipe to the catalytic converter
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We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
04-15-2026
Seals the downpipe to the catalytic converter
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This product was last offered at the strikethrough price on
05-07-2026
Tool comes with both 1/2" and 3/8" drive.
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Located between the exhaust manifold & downpipe
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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
06-03-2026
Includes all hardware to install a new catalytic converter / down pipe assembly
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This product was last offered at the strikethrough price on
05-02-2026
Gasket between adapter and cylinder head
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Gasket for Left Side Combi Valve Adapter
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
Ensure a proper seal
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
02-20-2026