Quote:
Originally Posted by Thomas ZR-1
From my experiance the OBX headers are not an exact copy from the Stainless Works. They don`t fit bolt on. You have to match the pipe from the first cylinder. If not you will touch the steering column shaft. 1/2 inch distance is required as minimal heat protection. So you have to buckling the pipe nearly 50% with a high performance loss.
The OBX are much cheaper then the Stainless Works...but I think: made in China (they forgot the car around the engine/headers).
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This is not always the case. I think our ZR-1s as well as C4 Corvettes have unusual variations between car to car.
My 94 had plenty of clearance when I installed OBX.