This valved cat back system features wireless remote control and quad matte black tips - This system will increase power, reduce weight, and provide a legendary exhaust note!
*Must be used with quad tip rear diffuser from Audi S7 - 4K8807521DRU6*
This valved cat back system features wireless remote control and quad blue coated tips - This system will increase power, reduce weight, and provide a legendary exhaust note!
*Must be used with quad tip rear diffuser from Audi S7 - 4K8807521DRU6*
This valved cat back system features wireless remote control and quad carbon tips - This system will increase power, reduce weight, and provide a legendary exhaust note!
*Must be used with quad tip rear diffuser from Audi S7 - 4K8807521DRU6*
This valved cat back system features wireless remote control and quad gold tips - This system will increase power, reduce weight, and provide a legendary exhaust note!
*Must be used with quad tip rear diffuser from Audi S7 - 4K8807521DRU6*
This valved cat back system features wireless remote control and quad chrome silver tips - This system will increase power, reduce weight, and provide a legendary exhaust note!
*Must be used with quad tip rear diffuser from Audi S7 - 4K8807521DRU6*
Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutout
10X Entries Into Our F80 M3 Sweepstakes
Control your exhaust valves with the click of a button! Includes a standalone vacuum pump, wiring, vacuum hose, and controllers.
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Brand:
ES#:
4883843
Mfg#:
004788LA01
In Stock
ON SALE!
SAVE 10%
$100.99
This product was last offered at the strikethrough price on 06-13-2026
From stock exhaust system repairs to polished stainless steel performance exhaust, we have exhaust pipes, mufflers, resonators, and catalytic converters from the most respected suppliers in the business. Go loud, stay soft, look good with exhaust parts and systems from ECS Tuning.
Lifetime Replacement
