When I purchased my '08 GT/CS it already had a C&L Cold Air Intake and a Predator Tuner. I was going through the paperwork last night (the previous owner documented EVERYTHING he bought for the car) and read that the dyno testing done with this combo produced 26 rwhp.

Does this sound reasonable? It seems that is a lot for a CAI and a tune. According to those stats then is it safe to say that my car puts somewhere near 290 rwhp? Just wondering because that would be nice

 

Yes that's about right.

 

sweet. Now I need to find a dyno here to see what I actually put out.

26 rwhp doesn't seem too generous though?

 

yep 25 to 29 hp is what I have heard/seen

 

The car's are 3v. 2 intake and 1 exhaust. They respond best to cai's (with a good tune). That all sounds about right.

 

Isn't the stock 08 GT/CS 300HP? x 85% + 26rwhp = 281rwhp, right?

 

Yeah but real world dyno tests have shown the gt to get 265 - 270 rwhp. So 265 + 26 = 291

 

25-30hp with a cai +tune is about right and on the better side.
I put down 275 stock, 323 with current mods.

 

Yes sounds right. I went from 258 bone stock to 283 with JLT CAI and 93 octane tune.

 

I gained 31 rwhp from bone stock (07 GT Automatic) to JLT CAI and canned Diablosport Predator premium fuel tune.