Spool vent-to-atmosphere blow-off adapters, McLaren
These adapters vent released boost pressure to atmosphere instead of recirculating it into the intake. The resulting sound is most noticeable on throttle lift, especially in Spider models.
Technical details
- A sound change; the manufacturer does not claim a power gain.
- Manufacturer describes a straightforward installation without ECU tuning.
Example fitments
Applicable turbocharged McLaren models; confirm year and factory valve layout.
Suomi



