BigBoost’s stage 3-4 turbo for the B58 Gen 1 and 6 Port TU engine!
What’s included?
- BorgWarner EFR 8374, 8474, 9174 or 9280
- Cast twin-scroll manifold 40% larger than stock runners and area with external wastegate port.
- Aviation grade stainless steel oil feed lines
- Oil feed and return fittings for turbo
- Oil feed fittings for engine
- Oil drain adapter
- Lower Boost Pipe
- Aluminum 4″ inlet pipe
- Silicone couplers
- Smart Seal Stainless Steel Hose clamps
- Turbo coolant inlet and outlet banjo fittings
- Engraved Heat Shield
- VPE V Band Clamp
- Exhaust Manifold Gasket
- OEM O-ring kit
- Aeroquip Coolant Hose Kit
- EWG Mounting Bracket
- EWG Linkage Kit
EFR 8374 to 650 WHP 8474 and 9174 up to 750 WHP, 9280 up to 900-1000 WHP