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Audi 4M SQ8 Quattro 4.0T

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Audi 4M SQ8 Quattro 4.0T Performance Downpipes

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Large Bore Downpipes And Hi-Flow Sports Cats

Heat wrapped to keep temperatures down. 3.00" outlet Requires Stage 2 ECU Remap
OPF Models Only

Brand:
Milltek Sport - Corporate Logo
ES#:
4349792
Mfg#:
SSXAU901
Ships in 3 Business Days
$5098.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Downpipes With High Flow Cats

ES#4419989 - EXH-DP-0048-CAT - Downpipes With High Flow Cats - This is the best bolt-on modification that will increase exhaust flow, improve turbocharger spool time and drastically change the sound of your sport SUV. - CTS - Audi

This is the best bolt-on modification that will increase exhaust flow, improve turbocharger spool time and drastically change the sound of your sport SUV. Requires Stage 2 ECU Remap

Brand:
CTS - Corporate Logo
ES#:
4419989
Mfg#:
EXH-DP-0048-CAT
Special Order: No Guaranteed ETA
$1899.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#3015657 - 8W0253115D - Exhaust Gasket - Priced Each - Between the exhaust manifold and downpipe, requires 2 - Genuine Volkswagen Audi - Audi

Between the exhaust manifold and downpipe, requires 2

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3015657
Mfg#:
8W0253115D
In Stock
$6.93 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#4745717 - 8W0253115D - Exhaust Gasket - Priced Each - Between the exhaust manifold and downpipe, requires 2 - Elring - Audi

Between the exhaust manifold and downpipe, requires 2 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4745717
Mfg#:
8W0253115D
Ships on Sep 9, 2026
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance High Flow Downpipes With Sport Cats

These downpipes are fabricated with a larger diameter than standard OEM parts, meaning that there is significantly more space for more gas to exit the engine and pass through, increasing efficiency. Requires Stage 2 ECU Remap
For Non OPF / GPF Equipped Models

Brand:
Milltek Sport - Corporate Logo
ES#:
4418931
Mfg#:
SSXAU956
Ships in 3 Business Days
$5987.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Flow Downpipes

Gain up to 80hp and 90flb of torque with these downpipes. Requires Stage 2 ECU Remap

Brand:
VF Engineering - Corporate Logo
ES#:
4507866
Mfg#:
VF.AUD.SQ8.SC
Ships on Aug 25, 2026
$4695.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Downpipes

ES#4781307 - UH078-EXA - Unitronic Performance Downpipes - Bolt-on upgrade, designed to optimally eliminate unwanted restrictions in the factory downpipes, reduce turbo lag, and enhance the exhaust note. - Unitronic - Audi Porsche

Bolt-on upgrade, designed to optimally eliminate unwanted restrictions in the factory downpipes, reduce turbo lag, and enhance the exhaust note.

Brand:
Unitronic - Corporate Logo
ES#:
4781307
Mfg#:
UH078-EXA
Ships in 5 Business Days
$4849.99 USD
Free Shipping

More About Performance Downpipes

The downpipe carries exhaust gas from the hot side of your turbo to the rest of the exhaust system. Replace a faulty catted downpipe with an OEM downpipe or upgrade for more performance with our selection of aftermarket performance downpipe options.

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Manufacturer names and/or part numbers are used only for identification purposes.

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