horsepower does the non turbo 2.5l get with just exaust and a k&n filter? what would approx 1/4 mile times be?

 

what car is it in? stealth's come only with 3.0l (unless some real odd number of them somehow appeared with 2.5l's)
some manufactures manage to get higher hp out of smaller egines than others. i guess being non turbo 2.5l would give about 150-160hp ET probably about 17 s in 3000 lbs car
now if you were taling of stock stealth wich should have 3.0 there are single overhead cam and double, single one would probably get somewhere around 170-180hp(ET 16 s)double would get somewhere around 220-240hp ET about 15s.. also age of engine need to be taken in account. I know a guywith 317 v8 that originally had 350 hp, now being about 20 yearas old and about 250-300k miles it gives 170hp or so

 

Sorry, you're right, it's the 3.0L, got it mixed up with another engine :-S but again, same question for that car, R/T spec also

 

if it's r/t then it should give about 225-240hp from stock 220hp with 1/4 somewhere around 15-16 s. (tires play a big role in 1/4 times), but then again age of an engine, type of oil, gas and humidity and temp(cold or warm block and aoutside temp) would give slightly different numbers. i think just how old and used the engine is, plays the biggest role. by puting k&n and exhaust you might be just geting back to 220hp mark from 200 or so. basically what i am saying is go to the dynoand if yours have a lot of miles automatically exept less than stock numbers