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      10-12-2012, 08:27 AM   #9
Manny_World
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Drives: e92 335i, e34 525i & e60 530i
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Quote:
Originally Posted by iSerge View Post
Exactly. I had scanned a number of threads looking for an answer, but they all end up in arguing what brand is better. But merely mention why.

As far as I see it, they are just pipes welded together. Assuming they don't fail, what is characteristic to set them apart and to justify such a price difference?
You are correct. Only time that dp will fail if you ran catted and after a while and the cats stop working. With catless, it's all just preference. What set them apart in price is fitment and diameter, but time have changed over the years. Some budget kit had fitment issues, but a new company VRSF (something like that) make more affordable sets with good fitment I hear. Best bet is to browse the FS section for a used set that's known for perfect fitment. Pipes will be pipes, new or old.
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