pros and cons
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pros and cons
1988 F-150 4x4. 5.8L(351) automatic.
Which would you recommend and why?
SIDO 5x8x18 Magnaflow or SIDO Flowmaster 40 series?
If I'm replacing the whole system should I use 3" or 2.5" in front of the muffler?
Should I use 2.5" or 2.25" tailpipes.
I'm thinking 2.5" all the way back.
Let me know!
Which would you recommend and why?
SIDO 5x8x18 Magnaflow or SIDO Flowmaster 40 series?
If I'm replacing the whole system should I use 3" or 2.5" in front of the muffler?
Should I use 2.5" or 2.25" tailpipes.
I'm thinking 2.5" all the way back.
Let me know!
Last edited by tstjohn; May 8, 2004 at 09:56 PM.
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Joined: May 2000
Posts: 4,761
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Magnaflow because it's got higher flow, straight-through design, and it comes in stainless steel.
3" in front of the muffler, dual 2.25" tailpipes. Why?...because that's what standard pipe tables recommend for your application.
3" in front of the muffler, dual 2.25" tailpipes. Why?...because that's what standard pipe tables recommend for your application.