So how much more can you do with a blow-off valve? Well, the Deceptor Pro II takes the ‘Respons’ concept even further...

• Adjust your BOV venting bias electronically on-the-fly
• Revised porting to optimise flow and venting bias
• Compact design fits in most factory valve locations
• Direct bolt on for many vehicles
• New bore finishing process ensures a lifetime of reliable operation

Direct bolt-on for most vehicles available:

• Remote proportional venting bias/volume control- from silent to loud or anywhere in between
• Sleek, compact in-car BOV volume controller with backlit dial
• End point adjustment to control maximum vent to atmosphere bias setting
• Volume adjustment mechanism driven by a high-torque geared electric motor
• Durable, low-friction ger train supported by precision sealed ball-bearing
• Supplied with all parts and wiring required to have it up and running quickly and easily

Vehicle Applications

Deceptor Pro II T9525 Diverter / Blow Off Valve with Electronic Sound Adjustment System for Audi, Ford, VW, Mazda, SAAB Applications also suits:

• AUDI TT 8N 1.8t 98-06
• AUDI TT 8N 1.8t 98-06
• AUDI TT 8N 1.8t 98-06
• AUDI TT 8N 1.8t 98-06
• AUDI B5 (1995-2001) 1.8t Note : When installing a GFB valve, it must be installed in the OPPOSITE orientation to the factory plastic Bosch valve - i.e. air must enter the GFB valve at the bottom, and dump through the sides.
• AUDI B6 (2001-2005) 1.8t Note : When installing a GFB valve, it must be installed in the OPPOSITE orientation to the factory plastic Bosch valve - i.e. air must enter the GFB valve at the bottom, and dump through the sides.
• AUDI B6 (2001-2005) 1.8t Note : When installing a GFB valve, it must be installed in the OPPOSITE orientation to the factory plastic Bosch valve - i.e. air must enter the GFB valve at the bottom, and dump through the sides.
• AUDI B5 (1995-2001) 1.8t Note : When installing a GFB valve, it must be installed in the OPPOSITE orientation to the factory plastic Bosch valve - i.e. air must enter the GFB valve at the bottom, and dump through the sides.
• AUDI S3 8L (1999-2003) 1.8t Note : When installing a GFB valve, it must be installed in the OPPOSITE orientation to the factory plastic Bosch valve - i.e. air must enter the GFB valve at the bottom, and dump through the sides.
• AUDI S3 8L (1999-2003) 1.8t Note : When installing a GFB valve, it must be installed in the OPPOSITE orientation to the factory plastic Bosch valve - i.e. air must enter the GFB valve at the bottom, and dump through the sides.
• AUDI TT 8N 1.8t 98-06 Note : When installing a GFB valve, it must be installed in the OPPOSITE orientation to the factory plastic Bosch valve - i.e. air must enter the GFB valve at the bottom, and dump through the sides.
• FORD AUSTRALIA Territory SY 4.0L turbo 06-11 Note : When installing a GFB valve, it must be installed in the OPPOSITE orientation to the factory plastic Bosch valve - i.e. air must enter the GFB valve at the bottom, and dump through the sides.
• VW Golf GTI Mk4 1.8t 97-05 Note : When installing a GFB valve, it must be installed in the OPPOSITE orientation to the factory plastic Bosch valve - i.e. air must enter the GFB valve at the bottom, and dump through the sides.
• VW New Beetle 1st Generation 1.8t 99-on Note : When installing a GFB valve, it must be installed in the OPPOSITE orientation to the factory plastic Bosch valve - i.e. air must enter the GFB valve at the bottom, and dump through the sides.
• VW Passat B5-B5.5 1.8t 96-05 Note : When installing a GFB valve, it must be installed in the OPPOSITE orientation to the factory plastic Bosch valve - i.e. air must enter the GFB valve at the bottom, and dump through the sides.
• VW Polo GTI Mk4F (Typ 9N3) 1.8t 05-09 Note : When installing a GFB valve, it must be installed in the OPPOSITE orientation to the factory plastic Bosch valve - i.e. air must enter the GFB valve at the bottom, and dump through the sides.
• VW Passat B5-B5.5 1.8t 96-05
• AUDI 8L (1996-2003) 1.8t
• MAZDA SP Turbo 2002 (150kW/200hp)
• VW Bora MK4 1.8t 00-05
• SAAB 9-3 Turbo 98-02
• SAAB 9-3 Turbo 98-02
• SAAB 9-3 Turbo 98-02
• SAAB 9-3 Turbo 98-02
• SAAB 9-3 Turbo 98-02
• SAAB 9-3 Turbo 98-02
• SAAB 9-5 Turbo 98-09
• SAAB 9-5 Turbo 98-09
• SAAB 9-5 Turbo 98-09
• SAAB 9-5 Turbo 98-09
• SAAB 9-5 Turbo 98-09
• SAAB 9-5 Turbo 98-09
• SAAB 9-5 Turbo 98-09
• FORD AUSTRALIA XR6 BA-BF 4.0L turbo 02-08
• FORD AUSTRALIA XR6 BA-BF 4.0L turbo 02-08
• FORD AUSTRALIA XR6 FG 4.0L turbo 08-on
• AUDI S4 B5 (Typ 8D) 2.7 Biturbo 97-01 (two valves required)