SPDZ1 Universal Valved Performance Muffler Kit β High-Flow 2.5" Valve-Controlled Exhaust System (Quiet & Loud Modes)
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
π οΈ Product Description
Upgrade your exhaust sound and performance with the SPDZ1 Universal Valved Performance Muffler Kit β a fully adaptable exhaust solution that lets you switch between refined cruising and aggressive performance tone at the touch of a button. Inspired by advanced valve-controlled designs like the Valvetronic Designs Universal Valved Muffler Kit, this kit adds dynamic exhaust control to virtually any vehicle with compatible exhaust piping.
Whether youβre cruising through town or pushing your ride on the open road, the SPDZ1 valved muffler system delivers a perfect blend of daily comfort and track-ready performance β all with a simple wireless or wired controller.
π Key Performance Benefits
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Dynamic Sound Control β Switch between quieter street modes and louder performance sound instantly.
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High-Flow Valve System β Performance-oriented internal valving improves exhaust flow while giving you control of tone and volume.
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Multiple Diameter Options β Compatible with 2.5" piping, making it a truly universal fit across many cars, trucks, and SUVs.
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Stainless Steel Construction β Built with premium steel for strength, durability, and corrosion resistance.
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Remote or Controller Integration β Choose between wireless or wired control options for valve actuation.
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Universal Fitment β Designed to adapt into custom exhaust systems, axle-backs, or replacing factory mufflers.
π§ Whatβs Included
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High-flow valved muffler body (single muffler)
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Valve actuator and controller (wireless or wired)
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Mounting brackets, hardware, and clamps
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Detailed installation guide
ποΈ How It Works
Exhaust valves open and close to route exhaust gases through alternate internal pathways, letting you dial in your preferred exhaust note and performance characteristics without changing the muffler.
π Why SPDZ1?
SPDZ1 performance parts are designed by enthusiasts for enthusiasts β focusing on real improvements you can hear and feel. This valved muffler kit gives you flexible sound control, improved flow, and a premium finish that stands out from standard fixed-output mufflers.
Whether youβre downsizing for daily comfort or powering up for spirited drives, this universal valved muffler kit is the ideal upgrade for performance gains and exhaust personality.
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.