Stainless 304 Valved Catback Exhaust System for Audi RS4 RS5 B9 B9.5 2.9T
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
Enhance sound, performance, and durability on your Audi RS4 or RS5 2.9T with the STRATEC 304 Stainless Steel Valved Cat-Back Exhaust System. Engineered for drivers who want aggressive sound on demand with everyday refinement, this system delivers a powerful motorsport-inspired exhaust note when valves are open and a quieter, OEM-like tone when closed.
Constructed from high-quality 304 stainless steel, this exhaust offers excellent heat resistance, corrosion protection, and long-term reliability while remaining lighter than the factory exhaust. The valved muffler design provides instant sound control, making it ideal for both daily driving and spirited performance use.
Key Features
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Fits Audi RS4 & RS5 B9 / B9.5 2.9T
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304 stainless steel construction for durability and longevity
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Valved cat-back exhaust system with adjustable sound modes
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Aggressive, performance-focused tone with valves open
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Quiet, refined operation with valves closed
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Improves exhaust flow and throttle response
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Precision TIG-welded for strength and clean finish
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Direct bolt-on installation using factory mounting points
Sound Modes
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Valves Open: Loud, deep, and motorsport-inspired exhaust note
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Valves Closed: Refined, OEM-like sound for daily driving
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.