Steve36 Posted December 7, 2016 Share Posted December 7, 2016 I'm looking to upgrade my stock exhaust on my 2016 WRX STi as I want more of that typical boxer rumble, the stock is decent but I think Subaru have notched the sound down a little Any recommendations fellas ? I want to keep the same exit styles as I really like the quad pipe finish Quote Link to comment Share on other sites More sharing options...
Jay762 Posted December 8, 2016 Share Posted December 8, 2016 Try fitting unequal length headers first that should give you the lumpy idle etc, failing that try a prodrive back box, had one on my hatch as a dealer PPP upgrade (pre 330s) quad pipe but not too much increase in volume Quote Link to comment Share on other sites More sharing options...
RichieT Posted December 23, 2016 Share Posted December 23, 2016 I thought about the Nameless deletes from the States, however after seeing this video I do like the Borla system. It opens up the volume of the subaru engine wth out the inlet changes suggested. 2015 Subaru WRX STI Borla Exhaust Comparison With Stock Exhaust Quote Link to comment Share on other sites More sharing options...
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