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AUD.B8.S4.VSES.BR.BRSH
Audi B8 / B8.5 S4 & S5 Valved Exhaust System
T304 Stainless Steel, High-Pitch X-Pipe, Vacuum Valve Control
Overview
Transform your supercharged V6 into a true auditory experience.
Our Valvetronic Designs Valved Exhaust System for the Audi B8 and B8.5 S4/S5 delivers a unique, high-pitch wail while retaining low-end rawness for a sound profile unlike anything the platform has heard before.
Constructed entirely from T304 stainless steel and featuring our high-pitch X-pipe technology, this system runs 2.5 inches from front to rear, unlocking an exhilarating tone across the entire rev range. With integrated vacuum-actuated valves controlled via an included key fob remote, you have instant flexibility to switch from refined cruising to an aggressive, motorsport-inspired soundtrack.
Why It Works
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High-Pitch X-Pipe Technology: Creates a sharper, more exotic tone while enhancing flow.
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Vacuum Valve Control: Allows on-demand sound control from the included key fob remote.
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Full Mandrel-Bent Design: Optimized flow for improved throttle response and power delivery.
Sound & Control
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Valves Closed: Quiet enough for early morning starts and comfortable highway cruising.
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Valves Open: Releases the full character of the supercharged V6 with both low-end depth and high-pitch excitement.
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Remote Control: Operate valves instantly from the driver’s seat using the included key fob system.
Construction & Options
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Material: T304 stainless steel for long-term durability and corrosion resistance.
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Weight Savings: 12.3 lb lighter than the factory exhaust.
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Craftsmanship: Precision TIG welds and mandrel bends for maximum flow and strength.
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Diameter: 2.5" tubing from front to tips.
Fitment
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2010–2016 Audi S4 (B8/B8.5)
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2010–2016 Audi S5 (B8/B8.5)
Installation Notes
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Direct OEM replacement—no permanent modifications required.
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100% reversible—return to stock at any time.
What’s Included
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T304 stainless steel valved exhaust system
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Integrated high-pitch X-pipe
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Vacuum-actuated valves with key fob control system
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All necessary clamps and hardware
Specifications
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Tubing Diameter: 2.5" from front to tips
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Material: T304 stainless steel
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Valves: Vacuum-actuated, remote controlled
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Weight Savings: 12.3 lb lighter than OEM
🎧 Hear It in Action:
PLEASE EMAIL US AT: CUSTOMERSERVICE@VALVETRONIC.COM WITH ANY QUESTIONS

Audi B8 / B8.5 S4 / S5 Valved Sport Exhaust System
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
Most in-stock items ship within 2–3 business days from our U.S. warehouse or directly from the manufacturer. Custom or made-to-order parts may have extended lead times, which will be noted on the product page.
Once your order ships, you'll receive tracking details via email.
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Customer Support
Need help with fitment, product details, or installation? Our team of enthusiasts is here to help.
You can reach us anytime through our contact form or at info@houseoffuel.co — we typically respond within 24 hours on weekdays.
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FAQ's
Common questions are answered directly on our [FAQ page], including details about shipping, returns, warranty coverage, and how to verify product fitment.
If you can't find what you're looking for, just reach out — we'll make sure you get the right information before you order.
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Contact Us
Have a specific question or request? Use our contact form or email us at info@houseoffuel.co.
We're available Monday–Friday and typically respond within one business day. For partnership or dealer inquiries, please include your company information and brand interest.
FAQs
Please read our FAQs page to find out more.
How do I know if a part fits my car?
Every product page includes detailed fitment information covering model, year, and variant. If you're unsure, reach out to our team with your VIN or vehicle details — we'll confirm compatibility before you order. Our goal is to ensure every part fits the first time.
Are you an authorized dealer for the brands you carry?
Yes. House of Fuel works directly with our manufacturing partners and authorized distributors to guarantee 100% authentic products. This ensures you receive genuine parts backed by the full manufacturer warranty and support.
How long does shipping take?
In-stock items typically ship within 2–3 business days. Lead times for made-to-order or imported parts vary by brand, and estimated delivery windows are listed on each product page. You'll receive tracking as soon as your order ships!
What is your return policy?
We accept returns within 14 days of delivery on new, unused items in their original packaging. Custom, special-order, or electronic components may be non-returnable. For all return requests, contact us first — we'll help you through the process quickly.
Can I order a part that isn't listed on the site?
Yes. If you're looking for a specific brand or part not currently on the website, send us a message. Our sourcing team can often locate or special order it directly from the manufacturer or distributor network.

