Just another heat wrapped Invidia equal length header going into a 2011 STi. This quiets it down a bit and you can gain around 20whp and 20wtq with proper tuning.
Heat Wrapped Invidia EL header
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Just another heat wrapped Invidia equal length header going into a 2011 STi. This quiets it down a bit and you can gain around 20whp and 20wtq with proper tuning.