Need to find a 3" down w/ 3" flange at cat

[Nik]

I'm looking for a 3" down pipe w/ flex section that bolts upto the cat at 3" for my 1990 AWD talon

I've seen alot that are 2.5" and others that are 3" but narrow down at the cat.

Can anyone recomend a downpipe that's a full 3"

Thanks....

Ohh yeah... that also keeps the O2 housing.. (non-O2 eliminator)

 

[93laserR]

have u looked at the buscher dp's on this site, or any of the other one's also.

 

[DCJ98GST]

Off subject but may be revelent...

I would just get a downpipe that eliminates the cat. If you go from a 3" pipe to the stock cat (even if it is hollowed out) your going to have a big restriction at the cat.

I think that when you go from a larger pipe upstream to a smaller pipe(stock cat) downstream you have a very big restriction. Since the air travels along the outside of the pipe it is going to run into the cat 2"diam opening and create a lot of turbulance. With the speed that exhaust gasses flow that turbulance is like a steel blockage. If you go from a smaller pipe upstream to a larger pipe downstream the turbulance is not as much. Thats why people can get away with 2 1/2" dp and a 3" cat back and still have good flow.

 

[1LE]

www.defconmotorsports.com They have a full 3"dp and can put a 3" hi-flow cat on it...

 

[tsibribri]

apexi makes a 3 inch catback that eliminates the cat i saw them cheap at nopi.com

 

[TalonTsiAWD94]

Originally posted by tsibribri
apexi makes a 3 inch catback that eliminates the cat i saw them cheap at nopi.com

2nd tha .....i got one from nopi....real cheap...$210...plus tax I think....but ur better off if u call them ....i learned my lesson....

 

[sunflashx]

Get the Buschur model and have a flange welded on it.