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The Dual Port also recirculates enough air to keep the car's ECU happy
This is possible by allowing the valve to access a manifold pressure reference in the AMG's otherwise closed system - all without any destructive methods
5mm compared to standard 60mm
Lower intake temperatures = More Power
Athena MLS gaskets are manufactured from high grade 301 stainless steel
AIRTEC Motorsport Enlarged Top Hat for Astra Mk4/Mk5 Hose Colour:Red The Dual Port also recirculatesAIRTEC Motorsport Astra H enlarged top hat. Designed to work with standard and AIRTEC intercooler kits (Will fit most aftermarket intercooler kits). This bolt on DIY 10 minute job is the perfect upgrade to the Z20LET & Z20LEH 2. 0 turbo engines. Features: Improved throttle response Increased power Keeps charge temps down 2. 5" aluminium hard pipes for standard throttle body Includes: 90 degree hard pipe, top hat, silicone hose joiners, fitting kit.