Audi B9 S4 Quattro 3.0T
ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience
10X Entries Into Our F80 M3 Sweepstakes
Change out your ECS Tuning B8/8.5 S4/S5 or B9 A4/S4 Valved Exhaust from resonated to non-resonated!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Lifetime Replacement
Improve the sound and performance of your vehicle with a valved catback & Luft-Technik Intake System
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
This product was last offered at the strikethrough price on
05-05-2026
Lifetime Replacement
