Downpipe for Toyota Supra A90 type JTSC — TA Technix
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Downpipe for Toyota Supra A90 JTSC type
Specifications
What this part changes
The downpipe is the tube that runs down from the turbocharger. This is where back pressure builds up: the turbine has to push the gases through a narrowed section and often a catalytic converter. Widening it frees up the turbine, allowing it to build boost earlier and more decisively - it is the exhaust modification you feel most on a turbocharged engine.
What changes behind the wheel is the response. The turbo takes less time to spool up, and the power continues higher in the rev range. On a remapped engine, this is the part that allows the ECU to deliver what it promises; without remapping, the ECU compensates and much of the gain remains untapped.
What to plan for
- ECU remapping: essential to make use of the gain and prevent limp mode.
- Without a catalytic converter, the car is no longer road legal and the engine warning light will come on if no electronic measures are taken.
- Check the sensor port: single or double depending on the engine, as indicated in the technical details of the product listing.
- Removal often requires access from underneath and removal of an engine mount: plan to use a lift or axle stands.
Compatible vehicles
| Make | Model | Engine | Years |
|---|---|---|---|
| Toyota | Supra A90 JTSC type | - | - |
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