Replaces the failure-prone factory diaphragm for rock-solid boost control
For vehicles from the 2021 model year only.
Audi A4 Engine Intake Parts
- Air Box
- Air Filter
- Boost Tap
- Breather Hoses
- Charge Pipes
- Gasket
- Hardware
- Heat Shield
- Inlet hose
- Intake Boot
- Intercooler
- Manifold
- Performance
- Pipe
- Sensors
- Throttle Body
- Turbo Hoses
- Valves
- Water/Methanol Injection
Replaces the failure-prone factory diaphragm for rock-solid boost control
Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold
This product was last offered at the strikethrough price on
02-05-2026
Engages water-methanol system at 35PSI Adjustable from 25-50psi
Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings
Restore fuel economy and performance
This product was last offered at the strikethrough price on
06-16-2026
Includes the throttle sensor
Keep your engine running smoothly
Also referred to as the intercooler
This product was last offered at the strikethrough price on
05-07-2026
Connects the turbo to the intercooler, includes hardware
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
07-29-2026
Price includes $55 refundable core charge
Engine code AHA from VIN 8D-W-007800, split is in the 1998 model year
Connects the intercooler to the boost hard pipe
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
07-29-2026
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
07-29-2026
Dampens sound from the intercooler
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
07-29-2026
Cure the boost leak and restore power
Up to VIN 8D-X-199999, split is in the 1999 model year
This product was last offered at the strikethrough price on
05-07-2026
Clear Codes, Restore MPGs
We Price Match - Give Us A Call or Chat!
Engine code AHA from VIN 8D-W-007800, split is in the 1998 model year
This product was last offered at the strikethrough price on
05-07-2026