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Pro tip: Swap your stock intake for a cold air intake to see real gains
I swung by my buddy's shop in Oakland last weekend and he showed me his dyno sheets from a 2018 Civic Si. Stock intake pulled 195 hp, but a simple cold air system bumped it to 212 on the same day. The difference in throttle response alone made me order one for my own car today. Anyone else notice that much of a jump from just an intake swap?
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simoncarr4d ago
Yeah, I had a similar experience with my old Focus ST. Stock box was pretty restrictive, and a solid intake woke the whole car up, just like @ivanb41 said. The throttle felt sharper, and I picked up close to 15 horsepower on the dyno after the swap.
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