Well...Also with a built motor you will need a bigger TB, probably a MAFia, along with better cams, heads, LT's and like mine 3" exhaust manifold back. This will help on your mph and give you hp. So long term goals would make it beneficial. You will match my numbers probably with just a whipple and a good tune
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ORIGINAL: blueherd02gt
Yes the exhaust is worthwhile if you have long term goals of big hp. My goal is to build a 10 sec D/D so a built motor and full bolt ons will be needed for me, but if you never plan run your car on the street or the track stock headers is your best option. My car is extremely loud at woot also, something to consider. When we tuned it we thought there was an exhaust leak because of the noise it made on the hp passes on the dyno.
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ORIGINAL: MustangGT0405
So does that mean you think the exhaust upgrade is worthwhile?
Or do you think the extra is coming from the Heads?
Obviously a little of both, but it I am going to drop $1500 on exhaust I want it to do more than just sound good.
I am looking to go forged some day as well and just make the most power I can at 15psi with 8.5-1 compression. Thinking about 550rwhp.
That is a long term goal though, so for now I was just going to do the best I can with the 10psi pulley and a safe tune. Thinking 440-460rwhp. Then just drive it.
Sounds like I will put off the exhaust until the major motor build up.
Thanks,
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2007 Satin Silver GT 5 speed manual 3.55 gears Pypes Violater exhaust MGW Shifter BMR Control Arms Whipple HO
I understand. I still need to shore up the drivetrain with 3.73 gears, one piece driveshaft and eventually a watts link. All of which are in the plans for the coming year.
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RE: Today's dyno #'s - 
