Quote:
Originally Posted by classic_erik
Awesome. Can you provide details on the X pipe?
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I know you are trying to sell your X5, but if you want a free flowing quality X-pipe matched in size to the F15 50i exhaust tubing size, you need to make your own, or have one made.
I don't know how well made the magnaflows are, but the generic stamped versions that looks like the magnaflow, are quite restrictive and doesn't come in a 2.75" size as pointed out a few times.
If you look back at my posts earlier in this thread, I have pictures showing how inside of a generic stamped 2.5" version, has crimped tubes, making it less than 2" inside. (so I made my own out of 2.75" SS 45° bends
If our vehicles were not turbo charged, a stamped version like I bought and rejected, would be a bottleneck. Due to our turbos, it's less of an issue, but does affect the exhaust flow negatively...