X pipe, H pipe or straight pipe
Was thinking of removing the OPF filters and replacing with either a x pipe or h pipe instead of just a straight pipe.
I have a custom OPF back valved system but will be getting it custom tuned with Litchfield (UK) and therefore I want to remove the restriction of the filters. I won’t have to worry about the CEL either as this will be taken care of as part of the tune.
I was wondering if anyone has done this setup, and if there are any advantages of any 1 over the other, and also the difference that can be expected in the sound.. if any.
Thanks
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