Audi A4 B6 1.8T GFB T9525 Deceptor Pro II Adjustable BOV

The GFB T9525 Deceptor Pro II gives your Audi A4 B6 1.8T full in-cabin motorised control over blow-off valve behaviour - silent recirculation or aggressive vent-to-atmosphere, at the push of a button.

• Prevents backfiring and stalling on chipped ECUs or modified turbos by limiting max atmospheric venting
• Works with factory boost control - no remap required
• Direct bolt-on fit; includes all mounting hardware and wiring loom
• Also fits A3 MK1, TT MK1, Golf MK4, Passat B5/B5.5, Seat Leon/Ibiza, VW Bora & New Beetle