x pipe
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Freshman User
Joined: Aug 2004
Posts: 42
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From: texas
x pipe
I am curious about putting a x pipe in my dual exhaust system. I have a 78 f150, 400, 4 speed, 4x4, 40 series flowmasters straight from headers to rear. I saw an article in Perersen's 4wheel drive (jan 08) about installing an x pipe or h pipe if you have a true dual exhaust. Anybody have any experience with this?
Thanks, Wallyford
Thanks, Wallyford
Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
Put a crossover of the next size smaller than exhaust pipe size right behind the collectors, a crossover helps torque and does not have to be round. Crossovers for most apps just carry gas pulses -no flow (except high hp).
Post Fiend
Joined: Jan 2007
Posts: 18,157
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From: Stanton DE
Well if your thinking of doing it get the X pipe.
It took years of explanations and reading to convince me but the way I understand it is the X will actually increases the flow of your duals. The flow of the 2 pipes mixing in the X causes a vacuum witch pulls from each side so it's pulling the flow and increasing it.
Ive had my duals for about 3 or 4 years now and I finely was convinced to get a Magnaflow X pipe that I'm putting in with a set of long tube headers.
I'll let you know how it turns out and how I like it when it's in.
It took years of explanations and reading to convince me but the way I understand it is the X will actually increases the flow of your duals. The flow of the 2 pipes mixing in the X causes a vacuum witch pulls from each side so it's pulling the flow and increasing it.
Ive had my duals for about 3 or 4 years now and I finely was convinced to get a Magnaflow X pipe that I'm putting in with a set of long tube headers.
I'll let you know how it turns out and how I like it when it's in.
Fleet Owner
Joined: Mar 2003
Posts: 24,724
Likes: 74
From: Blue Hill Township
A x or h pipe is going to help you. The "h" pipe typically picks up more torque down low whereas an "x" pipe will pick up horsepower up top. The h pipe gives you the traditional muscle car rumble and an x pipe has a more raspy sound to it.
Senior User
Joined: Jan 2006
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I made my own H pipe out of some 2 1/4 inch pipe i had laying around and it made a noticeable difference in power. It also smoothed out the exhaust tone a bit. (89 F-150 302 with hooker headers no cats and glasspacks)
