Stupid Questions
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Joined: Jun 1999
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From: Durham
Stupid Questions
Since moving or removing your cat is supposedly illegal, cat-back exhausts are designed to enhance your exhaust system from the cat back. They usually give you either a larger pipe with flow thru muffler or many cat backs use a y-pipe to split the exhaust after the cat and exit thru two mufflers similar to a dual setup.
'82 F150 w/351W (orig 300 I6)
Steve
'82 F150 w/351W (orig 300 I6)
Steve
Senior User
Joined: Jan 2000
Posts: 361
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From: Massachusetts
Stupid Questions
TTB stands for Twin Traction Beam, and refers to the two piece axle on 4X4 Ford trucks, ranger, explorer, and F-series during 80's and early nineties. The two wheel drive versions had the TIB, twin I beam, which is two cast iron straight beams supported by coil springs that hold the suspension together. Hope this clears that up.
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alanscott
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