What kinds of gains do you expect with E / I and tune?
Good morning all. I was thinking about this last night, and I'd really like to get the BRZ up to ~200 wHP (which is about +30 HP from what i've seen so far).
Obviously no one has any real experience with modding yet, but I'm going to be keeping everything N/A. Do you guys think ~30 whp is even possible from these simple mods? |
no, between E/I I'd guess 11/12 whp.
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Add VTEC stickers + air plane wing + mean body kit + muffler delete + massive camber + overstretched tires = +400 hp
[u2b]zhT3C9mHLZ4[/u2b] |
At the most maybe 10-15, though thats pushing it. I think headers are going to be the best bang for the buck in the I/H/E/T setup
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Removing cats to a test pipe will do a lot as well!
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Aftermarket headers and testpipes will be considerably better than the factory headers that much im certain of. |
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From the Grassroots Motorsports test on a Miata; stock vs. test-pipe vs. aftermarket high-flow cats. http://img503.imageshack.us/img503/9...stdynosqk2.jpg http://img503.imageshack.us/img503/1...resultszu5.jpg |
Sigh. No 30whp gain like on my WRX from just a simple exhaust swap. :(
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I wouldn't have expected it to, but with the exorbitant prices manufacturers will want for a stainless steel pipe that has a catalytic converter welded in...it gets depressing.
Subaru intakes are generally well designed. WRX/STI intakes don't really need to be changed until 400whp unless you need the space. In addition, those cars have HOT underhood temps so anything other than a cold air is useless. I bet the stock intake here functions as a short ram as well, so unless you want to move the filter element into the wheel well, aftermarket intakes might not be awesome. We'll see what comes to market in just a few months though. The real reason to go aftermarket intake on any stock twin, IMHO, is to get rid of the stupid sound pipe. |
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LIke a couple people said above, I think it will be tough squeezing much horsepwer out of this while NA. I would guess less than 10 with simple bolt ons ans a tune. |
It's a lot harder to squeeze horsepower out of an n/a than a turbo model, a looot harder. It's also more expensive, since you will end up doing cams, intake, exhaust, tuning to get +10-15hp, where you just need a reflash to get up to +30hp out of a turbo model.
And keep in mind that most n/a power upgrades work by simply move the power curve upwards to get those gains, which can impact driveability. Regards, Paul Hansen www.avoturboworld.com www.facebook.com/BRZSportsCarClub |
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