I have two sets of 4" Gibson clamp on mufflers. Two have been slightly tweeked for clearance. See pictures. $425 for both sets.
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I'll show these to a buddy tonight he is looking for a pair. By tweeked do you mean angled slightly, if so how many degrees? Also would you sell two and how much? Thanks , ken

Yes angled slightly. Probably 6-10 degrees.
I would rather sell them all.

How much horse power are these rated for? He is interested.

These have minimal power loss up to 1200 hp engines and virtually none at 600 hp.according to their site.

He says he'll take them . Pm me for shipping to 98850 , I can send a check , after it clears you're bank you can ship. Thanks again , ken

Pm sent.