First congrats on using the dyno correctly. Too many owners aren't true tuners and just mod than dyno and get disappointed.
Second I'm not understanding how you only gained 9whp from; TP, Cat-back, Spacer, Intake, and whatever drivetrain you did.
I would expect at least 15-25whp from what you done. You might need to get a tune to get the best power out of everything.

 

The test pipes are resonated alphawerks. T-304 SS. They seem to be very good quality. Welds are the same quality as the Injen SES true dual. The injen exhaust is dual from the test pipes without equalizing H pipe.

 

Thanks for the props on the dyno usage. I'm skeptic about this 9whp thing because I improved my 0.25 mile time from 14.3@100.5 to 13.9@102.1. Maybe its my 3.9 FD and not hp, who knows...

Question for ya': Do you think a Utec would increase my power enough to justify the cost of purchasing it? How much power gain would you say I'm looking at with the Utec?

 

o god!

 

Well the 3.9 gearing helped a lot in the 1/4 for sure! I'm jealous that you have the 3.9 but I plan on TT so it wouldn't do me any good.

As far as the UTEC, it more than just added power. Speaking for myself after my mods my motor was running dangerously lean. Please take into consideration though I'm at 5k+ feet elevation. However it is alway good to tune to have a safe running motor. That is the number one reason I purchased my UTEC. The plus to tuning to have a safe motor is freeing up hidden HP. Now my peak numbers didn't go up at much as I wanted but my mid-range went up between 5-10whp/wtq! Plus with owning the VQ35DE I raised the rev limit to 7k vs the 6800 stock. I'm sure once I get a full cat-back my peak number will go up. All-in-all... YES! The UTEC purchase & tune is worth the cost.

 

aem cold air intake + skunk2 plenum spacer + greddy evo2 exhaust got me 271 whp on a dyno dynamics

 

your sub 14, 1/4, is all with your FD and LSD. you seriously need some upper end power. I personally wouldn't trust alphawerks and Injen. I'd swapped them out with kinetix tp or crawford cats , along with any other trusty exhaust.. hks, if you can swing the $$, add a ur pulley and you're good to go, I dyno'd 284whp on dynapack sae corrected, without cams. 20whp gain came from my hks true dual, kinetix and ur pulley. good luck.

 

well some good news: I just raced a modified mini S that i used to race when i was stock barely pulling half a car in fifth gear. This time i pulled on him more than five cars from third all the way to sixth. he stopped me and said, that car is running much better. the difference is noticeable.

 

The 13.9 is with all the mods you have?? That seems strange as I also have a 03 base and went 13.8 the only time I ever raced, and I was 100% stock other than a front sway bar....

Good to hear that your car seems to be pulling better, but I'd be careful with anything related to street racing right now, people are on a witch hunt!

 

Really, that sucks for me. How much did you trap?