Connects the throttle body to the top port of the intercooler
Up to VIN 8D-1-170000, split is in the 2001 model year
Audi B5 A4 Quattro 1.8T Engine Turbocharger Parts
- Blow Off Valve
- Boost Control
- Coolant Lines
- Diverter Valve
- Gasket
- Hardware
- Heat Protection
- Hoses
- Installation Kit
- OE
- Oil Lines
- Performance
- Support Bracket
- Wastegate
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Seals the turbocharger to the catalytic converter
2X Entries Into Our F80 M3 Sweepstakes
Connects the throttle body to the top port of the intercooler
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Up to VIN 8D-1-170000, split is in the 2001 model year
Direct OE replacement pneumatic bypass valve to cure boost leaks, restore lost power, and eliminate that notorious deceleration "honk."
From VIN 8D-X-200001, split is in the 1999 model year
Connects the oil filter adapter to the turbo
This product was last offered at the strikethrough price on
05-07-2026
Cure the boost leak and restore power
From VIN 8D-X-200001, split is in the 1999 model year
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