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Two-piece clamp - Cat to Exhaust 200

posted by  scorch on  Mon Apr 26 09:56 CST 2004
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The original arrangement for the cat to front pipe connection is not actually a clamp, but two flanges that mate together with a gasket in between. They are held together by three bolts, with the flange on the cat (I think) being the one with the threaded holes that accept the bolts. Aftermarket cats have unthreaded holes so you need to get nuts and lock washers for the bolts.

If the bolts are rusted away the best thing would be to drill them out and replace them (of course, get a new gasket in there because that's probably what's causing the leak). For bolts, lockwashers and nuts you'll want to get the high-temp gold-ish colored hardware (sometimes called type 6 or schedule 6 hardware).

If by "front part of the exhaust" you mean BEHIND the cat (cat to front muffler connection), then I think that connection is held together by a common exhaust clamp, which you can easily just saw off with a hacksaw and get replaced for a buck or two at any auto parts store. Bring the old clamp in because they come in various sizes.






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