Ok...the HEMI's have 345/375 hp/tq...if you add a dual exhaust and a k&n intake...its bound to raise the hp/tq #'s...I know most of you guys will say that the hp only goes up by a few...but I was wondering what the consensus is here for torque...if the hemi's come with 375 tq...what will it be after those 2 mods.? OK...now try to answer the same question with one of those flashpaq things hooked up...what are the numbers roughly then? any ideas? (I tried to Jew (pardon the expression if anyone is) this e-bay company out of some $...they had a flashpaq for $450.00, I offered $150.00, they declined, but i might try to creep that price up slightly somehow...see where they break, it'll be fun, I'll let y'all know what occurs)

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I am not really too sure but I think a reasonable number would probably be around 5-8ft/lbs in the 2500-4000rpm range. No rocket science here but from what I can feel I would say that is reasonable.

 

thats at the crank, hp increases to the wheels with simple mods like intake and exhaust arent that high.

 

Truckin' put a Brute Force intake and a flowmaster catback on an 04 hemi and the results were 8hp/10ftlb to the wheels.
with a tuner you could probably double that #. what I did notice from the dyno run was that the #'s peaked much sooner. the engine did't have to work near as hard to make it's maximum horsepower.