Hey guys, I have a 2012 wrx with an AEM CAI, Invidia catless TBE, and Torqued Performance Stage2 tune. My question would if do any harm running a set of one step colder spark plugs or just avoid it completely? Thanks
MainFrame 11374 posts · Joined 2002 Add to quote Only show this user #2 · Aug 21, 2014 It shouldn't do any harm.. but it won't do you any good either. Personally, I would just stick with stock heat range.
It shouldn't do any harm.. but it won't do you any good either. Personally, I would just stick with stock heat range.
nsibanez 4858 posts · Joined 2012 Add to quote Only show this user #3 · Aug 21, 2014 One step colder isn't recommended until you're 100 horses over stock according to rallysportdirect