2X Entries Into Our F80 M3 Sweepstakes
2X Entries Into Our F80 M3 Sweepstakes
Seals the turbocharger to the catalytic converter
2X Entries Into Our F80 M3 Sweepstakes
Direct OE replacement pneumatic bypass valve to cure boost leaks, restore lost power, and eliminate that notorious deceleration "honk."
Connects the oil filter adapter to the turbo
For vehicles with ATW engine code only.
This product was last offered at the strikethrough price on
05-07-2026
Cure the boost leak and restore power
EFR delivers quick boost response, powerful performance and reliable durability - 0.80 A/R, T4 Twin Flow Flange, 49mm Compressor Inducer Dia, 62mm Compressor Wheel O.D., 58mm Turbine Wheel O.D.
*To be used with custom turbocharger applications only - T4 flange manifold, custom fueling, tuning/software, and internals necessary*
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-24-2026