i have a 90 5.0 lx with Mac shorty headers off road x pipe dual chamber flowmasters, all piping is 2 1/2 inch except for headers which are 1 5/8 inch. Im looking for that common mustang deep throaty rumble which i dont have. im looking into getting long tube headers with straight pipes to flowmaster with no h or x. or should i try running straight pipes from my shorty headers to flowmaster.

 

..my buddy just got some mac shorties,,o/r/h-pipe..flows out to rear of car..sounds fairly good ,,but the has stock cam still,,if you got i diff.cam it would sound alot better,,,me i;m a long tube man,,i had headman long tubes,,1/5/8..2.5 coll..with b 303 cam it sounded good,,,,

 

Go with some nice LTs from Hooker, or BBK, or MAC if you liked the last ones. For power do an X pipe with Mags, and for that amazing rumble go h with flows. Straight pipes without any cross member will not be able to balance exaust pulses, thus resulting in possibly a worse sound, and even worse power outage.

 

well if i go from unequal shorty headers to long tube to h pipe how will that affect my horsepower and when i come off the line?

 

or i mean from unequal shorty headers withx pipe to long tube headers with h pipe?

 

unless your heavly modded you won't know the different..exhaust horsepower is so over rated in mild hp cars..you spend 500+ for maybe 15-20hp

150.00 headers5-9hp
150.00 mufflers2-5hp
275.00 2.5"5-9 hp
about 25.00+ per hp



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dude, its one or the other. the headers go to the pipe which goes to the cat-back. headers are either long tube, shortie unequal, or shortie equal length. pipes are either x- or h- pipes with or without cats. long tubes and shorties need differant size pipes since they are differant lengths. if you have any more q's p/m me. i was in your stage once too <IMG src=smileys/smiley2.gif border="0"></P>