Vinny Fab FD3S RX-7 T4 Twin-Scroll Manifold | Twin 40

Take control of your boost with the Vinny Fab T4 Twin-Scroll Turbo Manifold, precision-built for the FD3S RX-7.
Engineered with proper waste-gate placement for unbeatable boost control, this manifold eliminates over-boost and boost-creep issues common with poorly designed headers.

The waste-gate runners are positioned directly in the exhaust flow and shaped with tear-drop inlets, allowing gas to exit efficiently for rock-solid boost stability — even under heavy load or high boost.

Features & Benefits

⚙️ Perfect Waste-Gate Placement: Tear-dropped, short waste-gate runners for precise boost control and zero creep.

🔩 Twin Gate Flanges: Accepts Twin Turbosmart 40 mm GEN V waste-gates.

🧱 True 2-Inch Runners: Built for maximum flow and balanced exhaust velocity.

🪶 Vinny Fab Hardware:

16 mm stainless-steel header flange

12 mm T4 twin-scroll turbo flange

🔥 Material Options: Constructed in stainless steel (mild steel or titanium available on request).

🧰 Precision Finishing: Match-ported and machined flat after welding for perfect sealing.

💨 Exhaust Compatibility: Accommodates downpipes up to 5 inches in diameter.

🧠 Smart Design Clearances: Clears Pineapple Racing idler pulley and factory water lines.

🔧 Return-Plumbed Layout: Designed for waste-gate pipes to plumb back into the exhaust — unlike many competing manifolds.

🏁 Downpipe Option: Matching 4–5 inch downpipes available via sales@vinnyfab.com

🕒 Made to Order: Typical production time 2 – 4 weeks.

Whether you’re chasing track performance or a street-ready boost setup, this manifold delivers unmatched flow, control, and reliability — true Vinny Fab quality for serious rotary builders.

👉 Order your Vinny Fab T4 Twin-Scroll Manifold today and put an end to boost-creep forever.