Most mods will list a range of horsepower increases...like"this plenum will give you anywhere from an 11 to 35 HP increase" some will even indicate that those claimed ratings are based upon the mods your car already has...you will never see a vendor say "we guarantee 35 HP or your money back"
hahnan03gt, can you take a sound clip of your car and send it to me. I'm thinking of getting that same exhaust setup and just want to see what it sounds like. Thanks
Do you know the difference between FWHP and RWHP??? your car is rated at 260 FWHP and your RWHP might be around 230-240ish I would guess so 265 RWHP would be about a 35-35 RWHP gain so that would be about a total of 280-290 FWHP
All I can say is here are my mods and my dyno.. it should be very close to mine...
2001 GT
Dragon Plenum
4.10's
LT headers
O/R X-Pipe
Magnapacks
Chip and tune at T@J
HP is 253 and 290 TQ at the wheels. It should be a couple higher with new plugs. I wouldn't bet on anything above 260 RWHP with those mods. It would take perfect air for me to hit it and I have a dyno tune
Yep, Id say you could be a hair over 250. With my TB/Plenum combo, I only gained like 3 peak hp, I gained close to 15 in other parts of the powerband though, so I cant complain.