Use the google this has been asked way to many times no one is really going to anwser this just give you shit

 

1. Search
2. To answer your question, yes, but depending on dyno, blah blah blah.
3. Supporting mods needed
4. If located in SoCal, Jon @5150 is your guy


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http://www.evoxforums.com/forums/showthread.php?t=23750


http://www.evoxforums.com/forums/showthread.php?t=45391

http://www.evoxforums.com/forums/showthread.php?t=176634

I didn't read these threads but i saw some good info from a glance

 

No nobody has ever made that power on the stock turbo.

 

Really?

 

300whp is possible on a 100% stock Evo 10 with just a tune and boost pill (or 3port), even on 91 oct and a low reading Mustang dyno.

To make sure you really really really hit 300whp, add a full exhaust, a 3port, and a tune. Done.

 

when you say "full" you mean Test Pripe/HFC and Catback?

 

To OP, remember to have a tough sking on this forum. Your question really has been asked numerous times already. But, to answer your question.. since you're on 91 octane, get an Grimmspeed 3port, intake, upper intercooler pipe, upgraded blow off valve so your stock one doesn't leak, upgraded downpipe, TEST PIPE, and cat back exhaust. DONE! Just make sure to get a really good tune. An upgraded intercooler would help too, but is not really needed.

 

Easy. Drop in, test pipe, tune. You'll hit 300 on a dynojet, a bit less on baka's dyno but I wouldn't worry too much about the numbers. You'll love it- period.

 

I made 349hp and 355 tq on a low reading mustang on my stocker so 350 is def possible on the stock turbo. My friend just made 370 on that same dyno.

you should have no problem making that with the right mods

 

I made 341whp with a 3port and a tune on a DynoJet. 300whp is possible. :thumbup: