calling experts
#1
calling experts
hey neal and yall other exhuast "dudes" i have a 97 5.4 and would i lose hp by putting 2 hi flow ss cats, 2 ss 4x9 mufflers/ and an x pipe. All ss stuff i priced all the stuff w/o the pipe for 311 roughly. so what'd that put me around money wise. i plan on putting and air force one intake and a chip. no headers to expensive i just dont want to lose hp ive heard with the true duals if not enuf back pressure u can lose but help me out guys / oh and sorry for the poor grammer and spelling. im finally getting to post lost my activation email so made a new junky account but im here so start blowing out answers if u can
#3
I have a similar issue that might help
https://www.f150online.com/forums/sh...hreadid=141440
or you might be able to help me out.
https://www.f150online.com/forums/sh...hreadid=141440
or you might be able to help me out.
#4
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