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Audi 4M RS Q8 Quattro 4.0T

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Audi 4M RS Q8 Quattro 4.0T Performance Exhaust Downpipes

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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
ON SALE! SAVE 15%
$1899.99

This product was last offered at the strikethrough price on
08-26-2026

$1614.99 USD
Free Shipping
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 6 Business Days
ON SALE! SAVE 10%
$5987.99

This product was last offered at the strikethrough price on
08-29-2026

$5388.95 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 Sep 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
Back Ordered
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$4849.99 USD
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More About Performance Exhaust Downpipes

Upgrade your downpipe with a performance aftermarket downpipe to reduce restrictions and increase performance with a hearty improvement to your exhaust and turbo sound.

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