Equal Length Header for 2022+ Subaru WRX by PerrinIncrease HP and TQ with a PERRIN Equal Length Header. With larger primary and secondary tubes, you can expect 5WHP on Stage 1 cars and far more on 350+ WHP cars without sacrificing turbo response.Features30
Increase HP and TQ with a PERRIN Equal Length Header. With larger primary and secondary tubes, you can expect 5WHP on Stage 1 cars and far more on 350+ WHP cars without sacrificing turbo response.
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