Honda EG K-Swap ProStreet EFR T3 IWG Turbo Manifold
Full-Race’s K-series Single Scroll EFR Internal-WG turbo manifold evolved as an option for those looking to have fast spooling, reliable HP without the complexity and weight of external wastegates, BOV, and boost controllers. Ideal for road racing and street/strip setups, this proven design will spool faster, last longer, and produce more reliable power across the entire RPM range than any other manifold on the market. We recommend EFR7670 0.83 a/r for most setups. EFR8374 0.83 if a built motor is used.
T3 EFR Turbo Options: EFR 7064, EFR 7670, EFR 8374, EFR 9174, EFR 9180 with 0.83 A/R Undivided IWG
Key Design Features:
- Based around low angle 4-2-1 merge collector for efficient flow into the turbocharger and fastest spool possible
- Robotic TIG welding ensures superior strength and long service life
- CAD designed
- 100% Handmade in the USA from high grade thick wall stainless steel
- Specifically designed for BorgWarner EFR T3 and V-Band fitment
- Does not utilize external wastegate
- Sealing surfaces machined flat ensuring a leak free seal
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