gennaro.1@hotmail.com Posted April 4, 2016 Share Posted April 4, 2016 I have a 2011 Toyota Matrix XR, will post pictures if anyone wants. Only things I've done to it are: Magnaflow Muffler, Res delete, Sub/Amp wiring (spliced the speaker wire behind factory deck), tinted windows (5% back windows / sunstrip, 15% front and rear facing window). Was wondering if there is anything I can do it to it to get more power out of it? Ive heard about the spark plugs and the CAI / SRI stories but none on a matrix.. Anything I can do to make it an overall better (looking or performing, I don't mind) car? Quote Link to comment Share on other sites More sharing options...
Toyotammy Posted April 22, 2016 Share Posted April 22, 2016 any feedback on the Magnaflow? Quote Link to comment Share on other sites More sharing options...
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