Description:

The five-cylinder soundtrack is iconic—the factory cat-back just keeps it on too short a leash. The Valvetronic Designs Valved Cat-Back for the Mk3 TTRS increases system diameter to 3 inches for significantly improved flow and a sharper, more characterful note without sacrificing daily comfort. The dream exhaust for Audi’s modern 5-cylinder is here.

Features:

Fitment: 2017–2020 Audi TTRS (Mk3 / 8S)
Material: T304 Stainless Steel
System Type: Dual-path rear Y-section; quad-chamber muffler (valves closed)
Tips: Reuses OEM Tips
Tubing Diameter: 3" from front to rear
Valves: OEM-style electronic actuation (compatible with OEM control)
Control: Works with the factory valve control
Valves Open: Uninterrupted flow to the tips—crisp, aggressive 5-cylinder character
Valves Closed: Gas passes through the quad-chamber center muffler—significantly reduced volume, highway-friendly
Weight Savings: 14.8 lb lighter than the factory exhaust
Included: 3" T304 stainless steel valved cat-back system; Quad-chamber center muffler; OEM-style electronic valves; All required clamps and hardware
Installation: Direct bolt-on cat-back; no permanent modifications required. 100% reversible—return to stock at any time
Product Weight: 62 lbs
Manufacturer Part Number: AUD.MK3.VSES.BR
Made In: China
Warranty: Lifetime of Ownership limited warranty on 304 stainless steel and titanium exhaust tubes and welds (including penetrating rust); 3-year limited warranty on mufflers and resonators; 1-year limited warranty on valves, vacuum pots, remotes, electronics and tip finish (original purchaser only)

Sound Clip 1

Sound Clip 2

Valve Troubleshooting Guide

Valvetronic Warranty & Returns Policy

SKU’S:
AUD.MK3.VSES.BR