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Audi C7 S6 Quattro 4.0T

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Audi C7 S6 Quattro 4.0T APR Cat-Back Exhausts

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APR Catback Exhaust System - Non-Resonated (Without Center Muffler)

ES#3709325 - CBK0009 - APR Catback Exhaust System - Non-Resonated (Without Center Muffler) - Dual 2.78" T304 stainless to quad 2.5" mandrel-bent brushed tubing - The APR Catback Exhaust System personalizes your vehicles looks, sound and performance! - APR - Audi

Dual 2.78" T304 stainless to quad 2.5" mandrel-bent brushed tubing - The APR Catback Exhaust System personalizes your vehicle’s looks, sound and performance! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3709325
Mfg#:
CBK0009
Back Ordered
ON SALE! SAVE 10%
$3449.99

This product was last offered at the strikethrough price on
09-28-2026

$3104.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Extension Harness

ES#4143551 - RS100004 - Valve Extension Harness - Required for C7.5 models when installing certain exhaust systems - APR - Audi

Required for C7.5 models when installing certain exhaust systems Call In Or Chat For Best Price!

Fits facelift models from the 2016 model year

Brand:
APR - Corporate Logo
ES#:
4143551
Mfg#:
RS100004
In Stock
ON SALE! SAVE 10%
$47.99

This product was last offered at the strikethrough price on
09-28-2026

$43.16 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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