Overview

Valvetronic Designs Valved T-Style Mufflers

Valvetronic Designs valved T-Style mufflers are universal, T304 stainless steel, vacuum-actuated mufflers designed for maximum sound control. Featuring a "T" shape design with a single inlet and dual outlets, this system enables a quiet, stock-like sound when closed and a free-flowing, aggressive tone when open. Ideal for custom, weld-in, or clamp-on applications, these T-style mufflers allow for a reversible, customizable sound experience for a wide range of vehicle make and models.

Key features, specs, and benefits:

* Controllable sound—uses included vacuum valves (operated by a key fob remote) to switch between quiet and loud, allowing for drone-free daily driving or aggressive performance
* Universal design—primarily designed for vehicles with a single rear-mounted muffler, such as the Subaru BRZ/Toyota GR86, Volkswagen GTI, and others, acting as a "T" layout for dual tips
* High-quality construction—T304 stainless steel with precision TIG-welding, designed for durability and longevity
* Valve Type—vacuum-operated (usually requires sourcing vacuum from the engine)
* Functionality—when valves are closed, exhaust passes through a baffled chamber; when opened, it bypasses the chamber, offering a "muffler delete" sound
* Installation—typically requires cutting the existing exhaust and welding the new unit in place, designed to fit in tighter spaces than many stock mufflers

Applications

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