T304 Stainless Valved Catback Exhaust System for Audi Q8 RSQ8 4.0T
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
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Fits Audi RS Q8 4.0T (2020–2025)
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T304 stainless steel construction for strength and corrosion resistance
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Valved cat-back exhaust system with OEM-style electronic valve control
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3-inch tubing from front to rear for improved exhaust flow
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Aggressive exhaust tone with valves open
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Quiet, refined sound with valves closed
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11.5 lb lighter than factory exhaust
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Precision TIG-welded for durability and premium finish
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Retains OEM exhaust tips for factory appearance
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Direct bolt-on installation using factory mounting points
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100% reversible — return to stock at any time
Construction & Quality
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Material: T304 stainless steel
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Valves: OEM-style electronic valves
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Weight Savings: Approx. 11.5 lbs vs OEM
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Finish: Brushed stainless steel
What’s Included
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T304 stainless steel valved cat-back exhaust system
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OEM-style electronic valves
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All required clamps and installation hardware
Installation Notes
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Direct bolt-on fit
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Professional installation recommended
Pairs well with
Ships within 1-2 business days.
Free shipping & returns
T304 Stainless Valved Catback Exhaust System for Audi Q8 RSQ8 4.0T
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.