2012 warming up noises - Subaru WRX Forum
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post #1 of 1 Old 05-05-2012, 06:15 PM Thread Starter
WRXtuners Member
Join Date: May 2012
Location: Virginia
Posts: 1
2012 warming up noises

I have a 2012 wrx sedan with 3000 miles on it. My mods are prosport headers and up pipe, invidia down pipe with hi-flow cat, spt quad tip cat-back, turBo xs hybrid blow off valve, Aem cold air intake, and Avo TMIC, Cobb accessport with stage 2 map, sti short throw shifter.
My question is since installing the headers and intercooler, when I first start the car the first five minutes it sounds like the internals in the mufflers are going to come out. I have checked for leaks and everything is sealed up tight. I know that there is a vacume when first started and that is the only thing I can come up with. Car runs great lots of power, and after about 3-5 minutes the terrible noise goes away. Any help would be appreciated..
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