Headers question

I ran Tubular Automotive headers for years when my last pair literally wore out I went to TTIs , I was never really crazy about them. So last year I ordered a new pair of Tubular Automotive headers after waiting awhile because they had a material shortage issue . I had them coated as they always fit well with no problems. The new set fit poorly, the collectors were a real pain to get on , one tube hit the steering and they hung so low I couldn't get the car in my trailer let alone bolt my mufflers and exhaust up. They fixed the damaged tube no charge and didn't know why they didn't fit as my other sets did. I ended up selling them and going back to the TTIs . They said I could bring the car up to their shop and put a set in and address the problems but I haven't done so yet.

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