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Valvetronic Valved Sport Catback Exhaust System - Audi S4 / S5 (B8/B8.5) 2010-2016
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:
Returns may be accepted within 14 days of purchase pending Return Merchandise Authorization (RMA). No returns or cancellations on special order items. All returns will be charged a 20% restocking fee, no exceptions.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. Item must be able to be resold as new.
Several types of goods are exempt from being returned. Hazardous materials, fluids, greases, chemicals, and clothing are not able to return.
Free shipping is available within the lower 48 states for most orders totaling $199 or more. A free shipping option will be available during checkout. This offer is for delivery address in the continental United States and excludes shipments going to Alaska, Hawaii, Military Boxes, and items that require freight shipping.
Processing Time
Patterson Performance stocks a large quantity of items at any given time. Some items may require drop shipping from one of our various distributors. In stock items will ship within 1-2 business days. If you're needing your product quickly, please contact us to verify product availability before placing your order. Orders requiring additional verification (security concerns, incorrect information, etc.) may need additional processing time. Estimated shipping dates are not guaranteed and are subject to change based on inventory levels and manufacturer lead times. Backordered items are shipped immediately once available.
Items ship daily, If the item you ordered is not in stock, a member of our team will contact you via email / phone.
Patterson Performance will only ship to an address that varies from your billing address if payment is made via Paypal or a financing partner.
Patterson Performance ships from multiple warehouses throughout the United States, and sometimes from manufacturers overseas.
You can simply contact us via email / telephone for a live inventory check
Find more information at www.P65Warnings.ca.gov.