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PFF85-803-23
we use this process on each manifold to design the application-specific runner system to maximize airflow delivery to the cylinders
1 Installation instruction
AUDI RS3 8Y 2021+
making it quieter than non-resonated systems while still providing an impressive sound quality while maintaining optimal flow for increased performance
Racechip Tuning BMW Z4 S-Drive 30i App Control (Recommended):No Thanks PFF85-803-23+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