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I also taught him how to put in 5min of hard work and then spend 15min staring and admiring what you have done...
Aaron, what does your air tube connect to? So I don't need an OBDII cat, just OBDI?
go to an exhaust shop and get a universal cat. All it needs to be is there and in good shape. You can get a catco for like 100 or so installed around here. I run a Thorley, catco hiflow cat, 2.25 all the way back and a 2chamber flowmaster. The only thing bad I can say is they really don't like an overly rich condition, so if your carb dumps massive amounts of fuel, you won't get more than a month out of the cat. I blew mine out in about 3 weeks, but it smogged just fine.
should of put flanges on your cat so you can take on and off, you only run a cat for the smog and then run stright the rest of time. thats what i did.
toyminator2000 – There has to be dumb people in order for there to be smart people
Thanks for all the help everyone! What do you guys think about mufflers? I was thinking of just running a glasspack to maximize flow (and they're cheap and easy), but I don't want it to sound terrible either. Any ideas on mufflers that aren't too expensive?
check ebay...there are some uber-cheap sites that have nice stuff...i got a flowmaster hushpower (new) for hella cheap (which i think is nice but have no idea because my is still sitting in the garage)
does anyone know if the thorley headers from summit come with a carb sticker?
unlike all the peopel that run without a cat, i run with a cat, just no muffler, unless i need to have it inspected, then the muffler goes back on... my muffler has a welded sleeve on it, and a muffler clamp attached to the muffler, so its pretty much slide it on, hang the muffler up, and clamp it down.....my cat has a port on the side for a probe, and my truck has a temp probe, but i have heard its fine to run without it.muffler has a turndown
well i know i said i'd post pics of the exhaust so here they are.i went with a thorley header, 2.25" tubing all the way back, a universal cat (with welded-on flanges), and a cherry bomb glasspack.i'm thinking of painting the tubing blue to match the smog rail and the valve cover accentsfrom top to bottom:the thorley header the system from the frontthe system from the rearmy "custom" air intake (just a larger filter, extended stem from the carb to bolt it down and an extended breather hose to the valve cover)the intake and exhaust made a huge power and torque difference.
what did you have to do to get the smog rail on the header?
how loud is that without a muffler? i might have to run mine with no muffler for a couple days and was just curious....
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