








Titanium Valved Catback Exhaust System for Audi B8 B8.5 S4 S5
Unleash the full character of your Audi B8/B8.5 S4 or S5 with the STRATEC Ultra-Light Titanium Valved Exhaust System, engineered for enthusiasts who want maximum weight reduction, sharper response, and adjustable sound control. Built entirely from titanium, this system delivers a crisp, high-energy exhaust tone when valves are open and refined, OEM-like behavior when closed.
Designed as a complete one-piece exhaust system, it eliminates the need to mix axle-backs, resonators, or mid-pipes from different suppliers—ensuring consistent sound quality, proper fitment, and seamless performance.
With valves open, expect an aggressive, motorsport-inspired tone with strong midrange presence and exciting overrun character. With valves closed, the exhaust remains quiet and comfortable for daily driving, with minimal drone when paired with the factory downpipe.
Why It Works
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Ultra-Light Titanium Construction: Significant weight savings over stainless and factory systems
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Electronic Valve Control: Instantly switch between aggressive and refined sound
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One-Piece System Design: No component mixing for perfect fit and sound balance
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Mandrel-Bent Titanium Tubing: Maximizes exhaust flow and throttle response
Sound & Control
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Valves Open: Loud, sharp, and performance-focused exhaust tone
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Valves Closed: Quiet, refined, and daily-drivable
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Driver-Controlled Valves: On-demand sound adjustment
Construction & Details
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Material: Full titanium construction for extreme weight reduction
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Weight Savings: Significantly lighter than OEM and stainless systems
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Craftsmanship: Precision TIG welding and smooth mandrel bends
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Exhaust Tips: Premium titanium tips for a clean motorsport finish
Vehicle Fitment
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2010–2016 Audi S4 (B8 / B8.5)
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2010–2016 Audi S5 (B8 / B8.5)
Pairs well with
Ships within 1-2 business days.
Free shipping & returns

Titanium Valved Catback Exhaust System for Audi B8 B8.5 S4 S5
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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.


