KND Posted April 2, 2015 Posted April 2, 2015 I've got a Q300 cat back on the way. I've located a COBB programmer for $300, I got a cat down pipe. What kind of gains can I expect. I know there a variable. Just wondering.
ras06LGT Posted April 2, 2015 Posted April 2, 2015 You should get a catless up pipe too. About $75 for a used STi one. Assuming you have a stock turbo you will be Stage 2 and can expect around 220-250 WHP (obviously varies between vehicles, but that's the ball park you'll be in) depending on how aggressive your tune is. Open source will get you slightly more compared to AP since it's custom for your vehicle, altitude, mods, etc. Slightly larger/better flowing aftermarket turbo (BNR 16G, VF52, JmP custom) and you'll most likely be closer to the 260-280 WHP.
baconbits Posted April 3, 2015 Posted April 3, 2015 Invidia catted downpipe, straight pipe catback (all 3"), STI uppipe, Cobb intake with box, Cobb OTS stage 2 + intake tune. It was a humid, 70F morning in the middle of summer that was done. Manual trans.
ttnio Posted April 3, 2015 Posted April 3, 2015 I've got a Q300 cat back on the way. I've located a COBB programmer for $300, I got a cat down pipe. What kind of gains can I expect. I know there a variable. Just wondering. Be wary of what you ask for... Good luck.
Phillip J. Fry Posted April 3, 2015 Posted April 3, 2015 I've got a Q300 cat back on the way. I've located a COBB programmer for $300, I got a cat down pipe. What kind of gains can I expect. I know there a variable. Just wondering. should get an uppipe too. probably be better to get an Evo. i made 252hwp with a 5eat on downpipe and intercooler. im sure you can make 375whp.
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