If you are making the change to make it more streetable for you, then I dont see what difference it makes. But at that power level I dont think it will make much difference in the power
im just thinking if its a big difference i might buy the tti headers instead and selling off the tri-y's . the big reason i bought the tri-y's and not the tti is i was told the tri-y's fit better but now after having them in the car and buddy has tti's i dont see much more clearnce advantge as i have manuel steering and manuel brakes.