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By replacing the OEM airbox with our Patent Pending Venturi housing we have ensured that the airlfow remains as laminar as possible
we use this process on each manifold to design the application-specific runner system to maximize airflow delivery to the cylinders
PFF85-803-23
Performance Vauxhall Astra H (MK5) VXR Exhaust
Racechip Tuning BMW Z4 S-Drive 30i App Control (Recommended):No Thanks By replacing the OEM airbox+25 HP+47 Nm +32 HP+58 Nm +38 HP+70 Nm The base chip. Solid performance and high quality. MORE The bestseller. High performance and complete safety. MORE The best. Next level performance for petrolheads. MORE 5 fine tuning mappings Up to +15% MPG 6 fine tuning mappings Up to +20% MPG 1 year engine warranty(up to 2,400 GBP) App control(optional, +59 GBP) 7 fine tuning mappings Up to +20% MPG 2 year engine warranty(up to 8,000 GBP) 1x re programmingif