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They also has the biggest effect on road feel
factory-equipped turbo inlet
Includes IE Spec ARP 2000 rod bolts with "IE" stamp
The cable simply plugs into your vehicle’s OBD-2 port delivering instant access to choose different IE Tune stages to match installed hardware
Designing a performance part is worth nothing if it can't hold up to the job
APR PEX Intake | B9 S4 · S5 prefacelift They also has the biggestThis is the perfect intake upgrade for the Audi S4 and S5 (B9). It flows 31% more than stock, reduces pressure drop, and improves turbocharger efficiency. This directly translates to +19 AWHP and +20 AWFT LBS of torque on top of our Stage 1 (93) tune making this a simple upgrade for more power you can feel, and does so at an incredible value. Our system is a full upgrade as it replaces all of the intake components from the inlet scoop all the way to
