3" y pipe???
Junior Member
Joined: Dec 2005
Posts: 62
Likes: 0
From: laval, quebec
Car: 85 black on red t-top t/a
Engine: 305 h.o. l69
Transmission: t-5
Axle/Gears: borg w/ discs 3.70 posi
ur having a hard time finding a 3inch y-pipe because i'm pretty sure i doesnt exist, i installed my 2.5inch y-pipe from hedman and the pipe is almost rubbing againts the oil pan, but my headers have a 3inch collector, it's all about clearance, if u go custom better mesure right, theres not alot of room, trust me ur better off getting a good header and y-pipe kit, less of a pita
from my exp. hedman is good for the money u pay
from my exp. hedman is good for the money u pay
Thread Starter
Junior Member
Joined: May 2006
Posts: 2
Likes: 0
3 " inlet and outlet i got 3" collectors on my headers
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thanks i will go custom i guess will post when done
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thanks i will go custom i guess will post when done
Last edited by dirtyred92; May 22, 2006 at 10:43 AM. Reason: Automerged Doublepost
Supreme Member
Joined: May 2004
Posts: 2,924
Likes: 1
From: Kingston, Tn
Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
It will be tight putting a 3" y-pipe in the car, like tsibouky said the 2.5" pipe is very close to the oil pan I have the same y-pipe as he does and I'm for sure that a 3" will be hitting the crossmember and the oil pan. From there I went to a 3" i-pipe and everything worked out pretty good.
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