Titanium Valved Catback Exhaust System for Audi B9 S4 S5
Take your Audi B9 S4 or S5 to the next level with the STRATEC Ultra-Light Titanium Valved Exhaust System, engineered for maximum weight reduction, performance, and sound control. Built for enthusiasts who demand the lightest possible setup without compromising durability, this system delivers a sharp, aggressive exhaust note when valves are open and refined, OEM-like behavior when closed.
Designed as a complete one-piece system from the downpipe connection to the exhaust tips, this exhaust eliminates the need to mix components from different suppliers, ensuring consistent sound quality, perfect fitment, and seamless performance.
With valves open, expect a crisp, motorsport-inspired tone with pronounced overrun crackles. With valves closed, the system remains quiet and comfortable for daily driving—without drone when paired with the factory downpipe.
Why It Works
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Ultra-Light Titanium Construction: Significant weight savings over stainless steel
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Electronic Valve Control: Instantly switch between aggressive and refined sound
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One-Piece System Design: No need to mix axle-backs or resonators
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Mandrel-Bent Titanium Tubing: Maximizes 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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No Drone: When paired with the OEM downpipe
Construction & Details
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Material: Full titanium construction for extreme weight reduction
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Weight Savings: Significantly lighter than factory and stainless systems
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Craftsmanship: Precision TIG welding and smooth mandrel bends
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Exhaust Tips: Includes premium titanium tips for a motorsport finish
Vehicle Fitment
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2017–2024 Audi S4 (B9)
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2018–2024 Audi S5 (B9)
Pairs well with
Ships within 1-2 business days.
Free shipping & returns
Titanium Valved Catback Exhaust System for Audi B9 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.