stevej2525 Posted January 10, 2015 Share Posted January 10, 2015 This might be a dumb question but I'm very new to owning a 2009 subaru Impreza WRX. The car came with perrin headers and perrin intake. It used to have the exhaust and a tune as well but the dealership took them off in order to sell it to me. I am wondering if my car is going to run into issues having the aftermarket headers and intake but no tune to support them or exhaust. Please let me know. Link to comment Share on other sites More sharing options...
Crawlerdan Posted January 10, 2015 Share Posted January 10, 2015 it will run great as is, better with a tune. the go fast parts will add power, but thier full potential cannot be realized without a proper tune. but still it will run fine 1 Link to comment Share on other sites More sharing options...
987687 Posted January 11, 2015 Share Posted January 11, 2015 You should really have a tune with intake and exhaust modifications. Link to comment Share on other sites More sharing options...
bratman18 Posted January 11, 2015 Share Posted January 11, 2015 The headers won't bother much, as long as the down pipe is stock. But those newer turbo cars really should. Have a tune with an intake installed. Link to comment Share on other sites More sharing options...
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