Quote:
Originally Posted by DandyMax
These are full Cattman headers? There shouldn't be any bees, I don't have bees with them, never had. You sure you have a solid install, y-pipe flex is not damaged or defective? What cat and muffler are you running?
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Full Cattman headers.
I've done many Y pipe installs over the years on different Maximas. I've replaced headers on this car once before, so I don't think I installed anything wrong. IMO of all the Y pipes and exhausts I've gone thru this is one of the WORST for bees in the can sound. Worse than the Warpspeed Y pipe I had on there. NOT worth the $800+ these go for.
From what I can tell the headers and Y pipe looked OK. There was some fine metal shavings from their grinding and some excess weld spatter. I cleaned out every bit that I could get to and ran the engine without the cat converter attached. That blew out the rest of the shavings I could not get to.
My other exhaust mods are in my first post, nothing is cheap or ricey by any means. Before with the WS Y pipe it had only slight bees and it went away once I wrapped the WS Y pipe. Im gonna do the same with this one sometime see what happens.