MK5 Supra Downpipe – Boosted Engineering

Upgrade the performance and sound of your Toyota Supra MKV A90 (B58 3.0L) with the Boosted Engineering Downpipe.

Engineered to reduce backpressure and improve turbo efficiency, this downpipe allows the B58 engine to breathe more freely, unlocking increased horsepower, faster turbo response, and a significantly more aggressive exhaust note.

Manufactured from high-quality 304 stainless steel with precision TIG welding, the downpipe is built to handle extreme heat and performance demands while maintaining OEM-style fitment. Whether you’re pursuing maximum performance or simply want the raw sound the B58 deserves, Boosted Engineering delivers the perfect combination of power, durability, and fitment.

The following are typically required to run this kit at intended output. Boosted Engineering can supply or advise on all of them.

• ECU tune (custom)Boosted Engineering supplies base map
• Upgraded fuel systemInjectors, fuel pump — spec varies with output
• Upgraded ignitionR35 coilpack conversion recommended
• Upgraded clutchTwin-plate for higher-power builds
• Oil cooler kitRecommended for sustained high-load use
• Upgraded axlesFor 350+ kW builds

The Street Kit is designed for daily-drivable turbo builds with reliable, responsive power delivery. The Race Kit is oriented toward circuit and drag use where higher output and modular servicing are priorities.

The kit is designed for bolt-on installation in a suitably-equipped workshop. Installation is available at our Carrara QLD workshop, or through our trusted partner network in most metropolitan areas.

Approximate installation time — 20 to 30 hours depending on configuration and supporting work.