HP gain

[Slugst]

Hey guys, so i had a question. Im kinda new to the ST.
I was wondering if anyone has ever run a tune with these decent mods and how much HP did you gain or how much do you think id gain.
I already have all this but just need a tune.



Cobb Hot/Cold chargepipes
Open Catless down pipe
2jr racing intake
Cobb intercooler

 

[TyphoonFiST]

Catless DP is pretty worthless on a Stock snail. I wouldn't even do it. The stock snail needs some back pressure* the other mods though will be fine with a Tune. Without a Tune they are rendered useless and won't see their full potential. I suggest getting a Tune by any of the Forum Vendors...I.e. Stratified...Tune + ...Dizzy tuning or JST. All are good viable options. GET AN E30 TUNE* I stress that more as it makes the car a complete different animal! Good luck! Enjoy!

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[Spork1569]

Second the E30 tune, most bang for your buck in terms of power as you gain about 30 whp from running corn. Most bolt ons will gain you a small amount but pretty minimal compared to that.

On stock snail your issue becomes more traction as flooring it is gonna cause some torque steer for sure.

 

[XanRules]

On a stock turbo, a downpipe is pointless and will increase your spool-up time, as will the charge pipes. An intercooler does not increase your horsepower. I think people have reported that the 2JR intake, with a tune, gives you between five and ten horsepower above 4k rpm over the stock intake with a tune. Airflow in and out of the stock turbo turbo is fairly well optimized on this car, temperatures and the stock tune are the bottlenecks.