Audi TTRS MK3 Valved Sport Exhaust System

Audi TTRS MK3 Valved Sport Exhaust System

Brushed Finish / (2) Black (OEM STYLE)
$2,499.99 $3,499.99

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Audi TTRS MK3 Valved Sport Exhaust System
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  • Audi TTRS MK3 Valved Sport Exhaust System
  • Audi TTRS MK3 Valved Sport Exhaust System
  • Audi TTRS MK3 Valved Sport Exhaust System
  • Audi TTRS MK3 Valved Sport Exhaust System
  • Audi TTRS MK3 Valved Sport Exhaust System
  • Audi TTRS MK3 Valved Sport Exhaust System
  • Audi TTRS MK3 Valved Sport Exhaust System
  • Audi TTRS MK3 Valved Sport Exhaust System
  • Audi TTRS MK3 Valved Sport Exhaust System
  • Audi TTRS MK3 Valved Sport Exhaust System
  • Audi TTRS MK3 Valved Sport Exhaust System
  • Audi TTRS MK3 Valved Sport Exhaust System
  • Audi TTRS MK3 Valved Sport Exhaust System
  • Audi TTRS MK3 Valved Sport Exhaust System
  • Audi TTRS MK3 Valved Sport Exhaust System
  • Audi TTRS MK3 Valved Sport Exhaust System
  • Audi TTRS MK3 Valved Sport Exhaust System
Audi TTRS MK3 Valved Sport Exhaust System
SKU: AUD.MK3.VSES.BR

Audi TTRS MK3 Valved Sport Exhaust System

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$2,499.99 $3,499.99

Audi TTRS (Mk3) Valved Cat-Back Exhaust System

3" T304 Stainless Steel with OEM-Style Electronic Valve Control

Overview

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.

At the heart of the design is our rear Y-section: straight-through when valves are open for maximum presence, and routed through a quad-chamber center muffler when closed for quiet, refined cruising. The dream exhaust for Audi’s modern 5-cylinder is here.

Why It Works

  • 3" Free-Flow Architecture: Reduces back pressure and unlocks response through the rev range.

  • Dual-Path Rear Y-Section: Straight-through (open) or muffled (closed) for two distinct personalities.

  • System Tuning as a Whole: Designed as a cohesive cat-back for consistent tone and perfect fit.

Sound & 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.

  • OEM Integration: Uses OEM-style electronically actuated valves; compatible with OEM Audi valve control.

Construction & Quality

  • Material: T304 stainless steel throughout.

  • Craftsmanship: Precision TIG welds and fully mandrel-bent tubing.

  • Weight Savings: 14.8 lb lighter than the factory exhaust.

  • Finish & Tips: Premium tips engineered to complement the TTRS rear bumper.

Fitment

  • 2017–2020 Audi TTRS (Mk3 / 8S)

Installation Notes

  • Direct bolt-on cat-back; no permanent modifications required.

  • 100% reversible—return to stock at any time.

What’s Included

  • 3" T304 stainless steel valved cat-back system

  • Quad-chamber center muffler

  • OEM-style electronic valves

  • All required clamps and hardware

Specifications

  • Tubing Diameter: 3" from front to rear

  • Material: T304 stainless steel

  • Valves: OEM-style electronic actuation (compatible with OEM control)

  • Weight Savings: 14.8 lb vs. OEM

  • Design: Dual-path rear Y-section; quad-chamber muffler (valves closed)

3" Free-Flow Architecture: Reduces back pressure and unlocks response through the rev range, Dual-Path Rear Y-Section: Straight-through (open) or muffled (closed) for two distinct personalities, System Tuning as a Whole: Designed as a cohesive cat-back for consistent tone and perfect fit
  • Brushed T304 stainless steel
  • 3" from front to rear
  • Weight Savings: 14.8 lb lighter than the factory exhaust.
  •  Uses OEM-style electronically actuated valves; compatible with OEM Audi valve control.
  • Premium tips engineered to complement the TTRS rear bumper.

Direct bolt-on installation; no permanent modifications required

Direct bolt-on installation; no permanent modifications required

Warranty Coverage

All products manufactured by Valvetronic Designs are guaranteed to be free from manufacturing defects in materials and workmanship at the time of sale. A manufacturing defect is defined as any characteristic of the product that arises during the manufacturing process which impairs its usability for the purposes for which it was designed and manufactured.

Products are guaranteed to fit and function as designed on their intended vehicle application, provided the vehicle has not been modified or incurred structural damage. Sound or tone is not a warrantable or returnable issue, as exhaust sound is subjective and not considered a defect.

Warranty Periods

  • 304 stainless steel and titanium exhaust tubes and welds carry a Lifetime of Ownership limited warranty against defects in workmanship or material, including penetrating rust.
  • Mufflers and resonators carry a 3-year limited warranty against defects in workmanship or material, including penetrating rust.
  • Catalysts are warranted to conform to EPA emission testing and OBDII compatibility criteria for 25,000 miles from the date of installation, whichever occurs first.
  • Catalytic converter external shells, including end pipes, are warranted against corrosion and defective welding for 5 years or 50,000 miles from the date of installation, whichever occurs first.
  • Vacuum pots, electronic remotes, and mechanical valves are covered by a 1-year limited warranty.
  • Electronics, including 12V vacuum pumps, RF modules, and controllers, are covered by a 1-year limited warranty.
  • Tip finish is covered by a 1-year limited warranty.

Warranty Terms

  • Warranty coverage begins on the purchase date and applies only to the original purchaser.
  • This warranty is not transferable or assignable at any time.
  • Discoloration caused by heat, salt, brine, or other road treatments is not covered.
  • Tip finish discoloration or damage caused by heat, chemicals, lack of maintenance, road salt, brine, other road treatments, road debris, or misuse is not covered.

FULL WARRANTY POLICY CAN BE FOUND HERE

3" T304 stainless steel valved cat-back system, Quad-chamber center muffler, OEM-style electronic valves, All required clamps and hardware

Overall rating: 4.571429 / 5 from 7 reviews.

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Review highlights

Reviews

2021 Audi TTRS

"Excellent fitment with minor adjustments. Exhaust is deep and throaty with valves open. Excellent overall quality. Appreciate the extra clamps as I broke one. Will need extension harnesses made to reach the new valve connector locations if using carryover OEM valve controllers. Only complaints: 1. The forward posts to hang the exhaust could have a better design. I’m concerned about the post nuts loosening over time. 2. The exhaust tip clamps don’t seem to put enough circumferential force to clamp the exhaust tip allowing it to rock."

— Matthew D. (5/5)

new addition

"very pleased with the excellent service and product unfortunately one of the electronic valves stopped working so haven’t been able to complete the fit as on order from audi will review when tested ed"

— Eddie F. (5/5)

new addition

"very pleased with the excellent service and product unfortunately one of the electronic valves stopped working so haven’t been able to complete the fit as on order from audi will review when tested ed"

— Eddie F. (5/5)

new addition

"very pleased with the excellent service and product unfortunately one of the electronic valves stopped working so haven’t been able to complete the fit as on order from audi will review when tested ed"

— Eddie F. (5/5)

Sounds amazing, minor technical issues.

"I wanted to hear the TTRS engine breathe and boy does it sound amazing. Out of the box it looked great, unfortunately one of the angled tubes were bent around the clamp so we had to make it circular again. There were some extra parts in the box as well. After installed I was having issues with the insignia plate coming in contact with the drive shaft. It resulted in a grinding noise once driving. The plate had to be sawed off unfortunately. Also keep in mind you can use the stock valve wiring but will need to extend the wires so they reach. This will let you use the stock exhaust button. Otherwise they supply you with wiring and aftermarket modules with remotes. You can't beat the sound this makes though! Combined with an intake and midpipes!"

— Brent (4/5)

Sounds amazing, minor technical issues.

"I wanted to hear the TTRS engine breathe and boy does it sound amazing. Out of the box it looked great, unfortunately one of the angled tubes were bent around the clamp so we had to make it circular again. There were some extra parts in the box as well. After installed I was having issues with the insignia plate coming in contact with the drive shaft. It resulted in a grinding noise once driving. The plate had to be sawed off unfortunately. Also keep in mind you can use the stock valve wiring but will need to extend the wires so they reach. This will let you use the stock exhaust button. Otherwise they supply you with wiring and aftermarket modules with remotes. You can't beat the sound this makes though! Combined with an intake and midpipes!"

— Brent (4/5)

Sounds amazing, minor technical issues.

"I wanted to hear the TTRS engine breathe and boy does it sound amazing. Out of the box it looked great, unfortunately one of the angled tubes were bent around the clamp so we had to make it circular again. There were some extra parts in the box as well. After installed I was having issues with the insignia plate coming in contact with the drive shaft. It resulted in a grinding noise once driving. The plate had to be sawed off unfortunately. Also keep in mind you can use the stock valve wiring but will need to extend the wires so they reach. This will let you use the stock exhaust button. Otherwise they supply you with wiring and aftermarket modules with remotes. You can't beat the sound this makes though! Combined with an intake and midpipes!"

— Brent (4/5)

Q&A

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