This dump valve is a truly remarkable valve that gives a combination of vent to air AND recirculation operation at the same time
this kit offers the ultimate in improved induction flow that’s above and beyond the ordinary kits found elsewhere on the market
have pictures of all their boss kits
Model OPTISOUNDBMW8-V4 OPTISOUNDBMW4-V4Type Car Specific Component Car Specific ComponentConfiguration 1-way 2-waySpeaker Size 8" (200mm) 4" (100mm)RMS Power 115 watts 115 wattsPeak Power 345 watts 345 wattsMinimum Input (RMS) 55 watts 55 wattsSensitivity 90dB 90dBFrequency Response 55Hz - 25kHz 55Hz - 25kHzImpedance 4Ω 4ΩRecommended Amp SLICKS4-V2
AIRTEC Audi S3 8P Mk2 2.0 TFSi Front Mount Upgraded Intercooler - Stage 2 headphones This dump valve is aBrand New Stage 2 Airtec Intercooler upgrade Audi, Seat, Skoda, VW have used a front mount intercooler design as standard, This intercooler is adequate for cooling non modified vehicle's, but as our tests have proven, once even a Basic remapping of the Ecu had been carried out, the Intake temperatures had risen to very high levels, which in turn leads to power loss. By fitting a Bigger more efficient Airtec Intercooler the Intake temperatures are kept