help rims and muffler for 92 camaro rs
#12
08-16-2009, 05:17 PM
ok i have a Q...if i'm wanting to run dual Cat's and no mufflers what would be the best pipes to go for and also can i just pick any cat and get 2 of them or do they need to be some kind of dual...hopefully camaro 69 could answer this real quick lol
#13
08-16-2009, 05:20 PM
Join Date: Oct 2007
Location: The 'Burbs of Chicago
Posts: 18,306
Yeah 350rs, that's the original hanger bracket that I buzzed off the old pipe, as well as the original hanger rod you see on the left side. Chevy wanted to use 2 different hangers, just to be "different" i guess. I also added the two hangers at the tail end of the pipes and installed strap hangers from those to the body, which was over and above what came factory.
#14
08-16-2009, 05:32 PM
Join Date: Oct 2007
Location: The 'Burbs of Chicago
Posts: 18,306
Why dual cats, are you wanting to go with a true dual system? Due to space constraints under the car, a dual in/dual out cat would work a lot better. Are you in an area where you still get emissions tested?
#15
08-16-2009, 07:15 PM
Here's the "catback" system I put on my 91 305. I found a guy on ebay selling it for around $140. It's flanged and bolts right onto the cat, and has a bolt together flange before the rearend for easy on and off. I welded the rear portion together (but you could clamp it), and also attached the stock hangers to it. Notice the lack of a cumbersome muffler? Since the 305 is a real slouch in the performance department, the exhaust wasn't very loud at all. It had a nice rumble at idle, and was very quiet cruising on the highway.
#17
08-16-2009, 07:39 PM
yea i have to have emissions no mufflers but i have to have cats i bought the car where it didnt need emissions also so now its my problem lol..and i know it smother's the engine a little bit... so im thinking im going to run dual cats and straight pipes behind it to try and make up for the horse power loss. Right now i have a one chamber flowmaster muffler and no cat and for me to be able to drive it i have to pass emissions and put a cat on it...but how much hp will i lose with a cat put on with it smothering the engine? would it be better to run dual to try to releive some of the pressure? __________________
#18
08-16-2009, 11:20 PM
Join Date: Oct 2007
Location: The 'Burbs of Chicago
Posts: 18,306
I don't know where you're gonna stuff two cats under the car. You can put on a high flow cat, although the stock one doesn't restrict flow a heck of a lot. After I put on my exhaust, I removed the cat. But, it was too loud for my liking so I put on a straight thru glasspack muffler in it's place. The exhaust sound level was a little quieter with the cat compared to the straight thru muffler. So yeah, the cat does restrict slightly more, but not so much that you would really notice a performance difference.
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