Exhaust manifold question
06-25-2019, 06:11 AM
#1
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Exhaust manifold question Ok guys. New here. I bought a set of trailblazer exhaust manifolds off Ebay. Are the exhaust holes at the flange suppose to be 2 different sizes? Driver is 2 1/4 and passenger is 2 1/2. Shouldn't both sides have the same size hole and take the same type of gasket? The reason I'm asking is I have to get flanges for them so the exhaust can be ran. All the kits I'm seeing are 1 size or the other for both flanges. Kinda puzzled here. Any help would be appreciated greatly.
Wheel on!
Wheel on!
Last edited by Dantefsr; 06-25-2019 at 07:22 AM.
06-25-2019, 10:40 AM
#2
TECH Senior Member
Is the bolt spacing the same? If so just use two 2-1/2" headpipe flanges.
