Thread: 355 sbc question about exhaust sound (need some help here!)

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Originally Posted by 34_40

Before you go buyin' headers, there are a couple of different ways to stop header bolts from coming loose. If that is what's happening, let us know, we can share info to help keep the header bolts tight.

I suspect they're cheezy headers with 1/4" flanges that bow up from the heat of exhaust and allow leaks. Anyone buying headers should look for minimum 3/8" flanges and if somebody made headers with 1/2" flanges, I'd buy 'em.

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