Description
Arlows very small piston pop-off valve 25mm open version without whistle
Extremely compact design. Open piston valve with rich rally sound from 0.3 bar.
High-quality open piston blow-off valve in a very small form factor. Multiple seals. Numerous openings create a very rich sound that resembles a rally car after installation. 1:1 replaceable against the original. Aluminium plug for closing the recirculation included.
Why this small pop-off?
VERY SMALL DESIGN
Fits even in tight engine bays. Ideal when space is limited.
FROM 0.3 BAR
Suitable for very low boost pressures. Works reliably even on moderate setups.
RICH RALLY SOUND
Numerous openings produce a distinctive, full sound. Without additional whistle.
1:1 REPLACEABLE
Easy swap against the original. Aluminium plug for recirculation included.
Technical data
| Connection diameter | 25 mm |
| Type | Open piston blow-off valve (without whistle) |
| Operating range | from 0.3 bar |
| Design | very small / compact |
| Item number | AR5331 |
Package contents
- 1× Arlows very small piston pop-off valve 25 mm (open, without whistle)
- 1× Aluminium plug for closing the recirculation
Fitment & notes
1:1 replaceable against the original. Biturbo engines require two valves. Suitable for all petrol turbo engines.
Open valve ? not approved for road use under StVO. For motorsport / tuning use only. Professional installation recommended.
| Item number: | AR5331 |