straight pipe or High flow cat?
#41
Tour de Franzia
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Join Date: Jun 2006
Location: Republic of Dallas
Posts: 29,085
Total Cats: 375
[QUOTE=Pitlab77;97411]
lol, that's for monitoring general emissions, not for tickets/revenue.
I pulled my bullett cat for a test pipe and noticed a .2 leaner AFR at WOT...so I guess it moved more air without out it but I could not feel the increase. The cat kept the car a bit quieter too.
I pulled my bullett cat for a test pipe and noticed a .2 leaner AFR at WOT...so I guess it moved more air without out it but I could not feel the increase. The cat kept the car a bit quieter too.
#45
Thanks man !
Seems that from these http://cgi.ebay.com/ebaymotors/Magna...Q5fAccessories
There is still one of the original exhaust system pipes going from the back of the cat to the Monza exhaust.
I'm going to have to get under the car take some stuff apart and measure to see what
I actually have but the transition from larger to smaller flange at the front of the cat is still the main problem IMO.
http://cgi.ebay.com/ebaymotors/2-3-E...item51969dfcf2
I can make a cat to marry by DP to my cat back- Large flange up front and smaller in the back unless I go 3 inches the whole way but that will be more expensive...
Last edited by poobs; 12-07-2010 at 05:05 PM.
#49
Thank you very much!!!
They both sound nice.
My car has a Gredy 1.6, to the stock CAT and a Monza Pacesetter cat back exhaust system. It used sound a little fart canny when I got on it but since the turbo it is VERY quiet.... I'm not going to complain about a little more sound but I would like to keep thigs quiet.
They both sound nice.
My car has a Gredy 1.6, to the stock CAT and a Monza Pacesetter cat back exhaust system. It used sound a little fart canny when I got on it but since the turbo it is VERY quiet.... I'm not going to complain about a little more sound but I would like to keep thigs quiet.
#52
I'm going to have to dive under the car hopefully this weekend and take the OEM cat off, measure pipe diameters flanges etc.
With the information I can decide the way to go.
Advanced sells a universal cat that has large 3 in pipes at the ends. If I can get the local muffler butcher or a friend to weld two flanges I'd be set...
Don't think it will do much but I have a mental thing about having the OEM Cat in there. the inlet is less than 2 inch.
With the information I can decide the way to go.
Advanced sells a universal cat that has large 3 in pipes at the ends. If I can get the local muffler butcher or a friend to weld two flanges I'd be set...
Don't think it will do much but I have a mental thing about having the OEM Cat in there. the inlet is less than 2 inch.
Last edited by poobs; 03-29-2011 at 11:38 AM.
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