T304 Stainless Valved Catback Exhaust System for Audi Q8 RSQ8 4.0T

$2,999.95 USD

Before You Order

Confirm fitment, lead time, and install details before checkout.

Fitment Support In Stock / Made To Order Returns Check
Fitment Check Confirm year, make, model, trim, bumper style, wiring, and selected options before checkout.
Build Details Photos, vehicle search, and recommendations are helpful guides; final fitment can vary by build.
Lead Time In-stock items move fastest. Made-to-order specialty parts may need extra preparation before tracking updates.
Inspect First Inspect every part before painting, drilling, cutting, modifying, or installing it.
Not sure it fits? Send your vehicle details and product link to support@vektomotorsports.com. Ask Support

COMPLETE YOUR SETUP

Upgrade sound, performance, and driving engagement on your Audi RS Q8 4.0T with the STRATEC Valved Cat-Back Exhaust System. Designed as a direct bolt-on replacement for the factory exhaust, this system delivers aggressive performance sound on demand while maintaining refined cruising comfort when valves are closed.

Constructed from premium T304 stainless steel, this exhaust offers excellent heat resistance, corrosion protection, and long-term durability. Featuring OEM-style electronic valves, you can switch instantly between a deep, sporty exhaust tone and quiet factory-like operation.

The free-flow 3-inch tubing improves exhaust efficiency and throttle response, while retaining the OEM exhaust tips for a clean, factory-fit appearance.

Key Features

  • Fits Audi RS Q8 4.0T (2020–2025)

  • T304 stainless steel construction for strength and corrosion resistance

  • Valved cat-back exhaust system with OEM-style electronic valve control

  • 3-inch tubing from front to rear for improved exhaust flow

  • Aggressive exhaust tone with valves open

  • Quiet, refined sound with valves closed

  • 11.5 lb lighter than factory exhaust

  • Precision TIG-welded for durability and premium finish

  • Retains OEM exhaust tips for factory appearance

  • Direct bolt-on installation using factory mounting points

  • 100% reversible — return to stock at any time

Construction & Quality

  • Material: T304 stainless steel

  • Valves: OEM-style electronic valves

  • Weight Savings: Approx. 11.5 lbs vs OEM

  • Finish: Brushed stainless steel

What’s Included

  • T304 stainless steel valved cat-back exhaust system

  • OEM-style electronic valves

  • All required clamps and installation hardware

Installation Notes

  • Direct bolt-on fit

  • Professional installation recommended

Description

Upgrade sound, performance, and driving engagement on your Audi RS Q8 4.0T with the STRATEC Valved Cat-Back Exhaust System. Designed as a direct bolt-on replacement for the factory exhaust, this system delivers aggressive performance sound on demand while maintaining refined cruising comfort when valves are closed.

Constructed from premium T304 stainless steel, this exhaust offers excellent heat resistance, corrosion protection, and long-term durability. Featuring OEM-style electronic valves, you can switch instantly between a deep, sporty exhaust tone and quiet factory-like operation.

The free-flow 3-inch tubing improves exhaust efficiency and throttle response, while retaining the OEM exhaust tips for a clean, factory-fit appearance.

Key Features

  • Fits Audi RS Q8 4.0T (2020–2025)

  • T304 stainless steel construction for strength and corrosion resistance

  • Valved cat-back exhaust system with OEM-style electronic valve control

  • 3-inch tubing from front to rear for improved exhaust flow

  • Aggressive exhaust tone with valves open

  • Quiet, refined sound with valves closed

  • 11.5 lb lighter than factory exhaust

  • Precision TIG-welded for durability and premium finish

  • Retains OEM exhaust tips for factory appearance

  • Direct bolt-on installation using factory mounting points

  • 100% reversible — return to stock at any time

Construction & Quality

  • Material: T304 stainless steel

  • Valves: OEM-style electronic valves

  • Weight Savings: Approx. 11.5 lbs vs OEM

  • Finish: Brushed stainless steel

What’s Included

  • T304 stainless steel valved cat-back exhaust system

  • OEM-style electronic valves

  • All required clamps and installation hardware

Installation Notes

  • Direct bolt-on fit

  • Professional installation recommended

Fitment & Install Notes

Fitment first: Confirm your vehicle year, make, model, trim, bumper style, wiring, and product options before checkout. Product photos, vehicle search, and recommendations are helpful guides, but final fitment can depend on trim, modifications, and install setup.

  • Installation: Professional installation is recommended for lighting, exhaust, carbon fiber, steering wheel, brake, and body components.
  • Lead time: In-stock items move fastest. Made-to-order specialty parts may need extra preparation before tracking updates.
  • Before install: Inspect all parts before painting, drilling, cutting, modifying, or installing. Contact us first if anything looks incorrect.
  • Need help? Email support@vektomotorsports.com before purchase if you want fitment support for your build.