Valvetronic Designs Valved Sport Exhaust System for VA Subaru WRX & STi

Valvetronic Designs understands that the Subaru WRX has always been about excitement – a car that delivers raw performance and a distinctive driving experience in an enthusiast-iconic package. While the FA20 turbocharged engine offers tremendous potential, the factory exhaust system holds it back from truly expressing its character. With this in mind, Valvetronic Designs developed an exhaust solution that unlocks the full sound profile of the platform while delivering the flexibility and control modern drivers expect.

Purpose-Driven Engineering

• Valvetronic Designs offers this exhaust in both premium T304 stainless steel and burnt grade 5 titanium, giving owners a choice between two uncompromised material options. Increased piping diameter improves exhaust flow, reduces back pressure, and sharpens throttle response, while integrated electronic valves deliver effortless adjustability. With the valves closed, the system keeps the WRX composed and refined for daily driving; with the valves open, it unleashes an aggressive, raw tone that brings out the iconic Subaru rumble. Meticulously finished exhaust tips complete the package, ensuring the elevated performance is matched by an equally striking appearance.

The Result

• With this system installed, the FA20-powered WRX gains the versatility it has always lacked. Quiet and composed when needed yet aggressive on demand, this exhaust transforms the driving experience by amplifying the rumble and excitement Subaru owners seek. The sound is smoother, sharper, and more dynamic than anything available from the factory, making every drive more engaging. Valvetronic Designs is often imitated but never duplicated, and this system exemplifies why, delivering a truly uncompromised sound experience for Subaru enthusiasts.

Features

• Available in T304 stainless steel or burnt grade 5 titanium
• Full valved cat back design providing quiet refinement and aggressive open tone
• Larger 3.5 inch piping size for improved exhaust flow, power, and response
• Electronic valve hardware for rapid and reliable open and close function
• Included exhaust tips designed to complement the WRX’s rear styling
• Direct bolt on fitment with no cutting and no welding required

Applications

• Subaru WRX: VA (2015-2021)
  [FA20F – 2.0L H4 turbo]
• Subaru WRX STI: VA (2015-2021)
  [FA20F – 2.0L H4 turbo]

Notes

• Designed to pair with factory manifolds or aftermarket headers

About Valvetronic Designs

Valvetronic Designs, based in Boyertown, Pennsylvania, is a leader in high-performance exhaust systems, dedicated to innovation, precision, and enhancing the driving experience. Specializing in bespoke solutions for luxury and performance vehicles such as Lamborghini, Ferrari, and Porsche, Valvetronic combines advanced engineering with meticulous craftsmanship to deliver unparalleled sound and performance. With proprietary technologies like free-flow configurations and double X-pipe designs, their exhaust systems set new benchmarks for exotic and race-inspired tones. Every product is designed and manufactured in-house, ensuring exceptional quality and tailored customization, from fitment precision to sound profiles. Driven by a passion for excellence, Valvetronic Designs strives to create the ultimate auditory and performance experiences for automotive enthusiasts worldwide.