For those with dp's and the test pipes . . . between 2500 and about 3800 I get a loud reverbrating
#13
To correct this we welded reisonators in the test pipes.....
in the same postion were the cats would have been. Not sure how it affects performane. They look like very large glass packs. E-mail me & I will dig up the company I got them from. Approx $15.00 each
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