In search of 2.5" rh curved ram horns manifold

[WIDESIDE72]

I have run into a problem with the nice Hooker mandrel bent exhaust shstem i bought for my 72 c10 swb ss with a 350 sbc. Its currentl equipped with oem rams horn manifolds. I believe they are 2" outlets (?) both sides have the curved swept back oultets.

I purchase this exhaust kit from summit racing equipment

http://m.summitracing.com/parts/hok-16621hkr

Problem #1 is i didnt notice that the kit is listed to fit lwb trucks only.

Problem #2 is the pipes are 2-1/4" and are flared out to mate to the manifold using a donut gasket. The flare is too large to fit in between the three manifold studs.

I figured I would swap the oem manifolds for a set of corvette manifolds with a 2-1/2" outlet. The only problem is I cannot locate a right side curved manifold with a 2-1/2" diamter outlet.

I am going to call Summit tomorrow and see what they say. Basically i cant see how this Hooker kit will ever fit any 67-72 truck lwb or swb since the pipe is too large to bolt hp to the manifolds and no aftermarket or oem rh manifold exists that is large enough. There is no mention of it not fitting the oem 2" manifolds.
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