not that much diff?
I am about to purchase a set of BBK shorty headers, hpipe and flowmast cat back. You say you didn't notice that much of an increase in horse power or in the sound? That kinda makes me reluctant to do these mods now.
I know there needed in order to put other stuff on. But, I am getting my engine rebuilt next summer and I could just put them on then. I was looking for something to add a little horsepower and sound untill then.
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'91 MUSTANG LX 5.0. Flowmaster Catback Exhaust, In Fender K&N air intake, timing advancement, high voltage coil, pheonix gold/kicker stereo, pro 5.0 shifter.
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