



Catless downpipe for McLaren 720S — TA Technix
Ref. 06BM021
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Catalytic converter-free downpipe for McLaren 720S
Specifications
Technical details
- 3.5" downpipe, 2-piece kit
- With either 2 x oxygen sensor ports
What this part changes
The downpipe is the tube that descends from the turbocharger. This is where back pressure builds up: the turbine has to expel the exhaust gases through a restricted section and often a catalytic converter. Enlarging 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: the response. The turbo takes less time to spool and the power continues higher up the rev range. On a remapped engine, this is the part that allows the ECU to deliver what it promises; without a remap, the ECU compensates and much of the potential gain remains unused.
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 adjustments are made.
- Check the sensor port: single or double depending on the engine, as indicated in the technical details of the product page.
- Removal often requires access from underneath and removal of an engine mount: plan for a lift or axle stands.
Compatible vehicles
| Make | Model | Engine | Years |
|---|---|---|---|
| McLaren | Mc Laren 720S | — | — |
Delivery & warranty
Frequently bought together
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