Thread: fuel octane
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Old 08-23-2005, 06:33 PM   #10
joel w
Lexus & 550's
 
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Quote:
Originally posted by supra887mgte@Aug 23 2005, 03:42 PM
how do u do this , "sleeving cat" ??????
well the second cat is easy, just unbolt it and knock out the stuff inside while Holding your breath.!!!bad stuff.. slide a 2.5 inch pipe inside. cut it to length. and weld it inside the cat and bolt it back up, the first cat is a bit harder, need to cut the cat close to the flange and mark it so it can be welded back in the same spot, then do the same to the inside as the first cat and weld it back up. its not legal and if you live in a area where they check your emmissions you will not pass the test. If so then i would recomend the test pipe install so you can reinstall your cat before testing. h34r:
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