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DENSO Iridium Power Spark Plugs harnesses the power of Iridium
we have configurations that were designed specifically to do that
Twin secondary exhaust valves are a whopping 76mm diameter
the intake’s inner surface is kept mildly rough during the manufacturing process
exhaust ring
AUDI 3.0T S4/S5 (B9) APR CARBON FIBER INTAKE ROD DENSO Iridium Power Spark PlugsThis is the ultimate 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. Our system is a full upgrade as it replaces all of the intake components from the inlet scoop all the way to the turbo inlet. This is extremely