need some help on sedan exhust
Originally Posted by BBPATHFINDER
Have the Stillen,loud when you're on it,mellow when you are cruising.Probably my favorite mod.So far!
does it make that much of a difference between the borla with no x pipe and the stillen with an x pipe and the numbers stillen says the exhust will make sounds unrealistic 21-23 ?
stillen gen 1 matched up with stillen race pipes and headers. 
the highest numbers you will see out of pretty much any exhaust is about 10-13 whp (w/ a reflash)

Originally Posted by bonkrokz
does it make that much of a difference between the borla with no x pipe and the stillen with an x pipe and the numbers stillen says the exhust will make sounds unrealistic 21-23 ?
Originally Posted by perry05G35
What the procedures for doing a reflash? Just disconnect the battery for a period of time?
Originally Posted by SDGenius
wow, are you for real? if so, no. unpluggin' ur battery isn't a "reflash." unpluggin' it will reset ur ECU yes, and it will re-learn ur info w/the addition of the new part(in this case ur exhaust). a reflash set's new perameters for ur ECU to learn within. stock, the ECU tuned to very loose perameters. a reflash will set much more specific and performance minded perameters. all that and a lot more. new fuel maps, no top speed gov, upped rev limiter, ect...
Originally Posted by perry05G35
I see sorry I haven't been up on my car lingo.

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