The best mod for gas mileage AND HP gain? - Page 2 - Subaru WRX Forum
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post #16 of 19 Old 11-11-2009, 06:50 PM Thread Starter
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Accessport or exhaust? Which would be better to get? And what is the best exhaust to get?
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post #17 of 19 Old 11-11-2009, 07:04 PM
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Accessport first....because you'll need it when you do the turbo back exhaust or downpipe. YMMV on what exhaust best suites your tastes. You might be able to afford a high end DP and want a fart can to be loud or you might want a quieter CBE section. That or you could be a bargain hunter... So, best exhaust is hard for us to decide. Listen to exhaust clips on you tube and figure out what sound you like. Note: it will sound different in person to a degree. Then you can start figuring out what exhaust you like.
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post #18 of 19 Old 11-11-2009, 07:24 PM
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EM (engine management) first. Research this subject though. There are TWO very popular routes to go. The Cobb AP (more money, but easier IMHO) and OS (opensource) its a bit cheaper, but theres a bit more to it. Once you figure out what you really want out of your car will better determine which route to go.

"2007 WRX- PPG'd, 20G- Tim Bailey tuned
Stage 2 2005 WRX"
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post #19 of 19 Old 04-20-2010, 08:49 PM
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CAI wont give you any power gains without a tune, your stock turbo is more restrictive than the factory airbox, so your MAF sensor, with a K&N cai, is still going to read as if it was the stock airbox without a tune...mostly lower rumble, turbo, bov sound and maybe a little cooler temps from cold air...access port and a TBE if you want stage 2...Sorry to repeat someone here but i think its important...take care of your up pipe if you really want to put too much more boost into that car, gotta get rid of that cat!!...peace
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