RE: Anyone got OS 75AX numbers yet? Apples with Apples results?
Here are the exact data from our tests.
OS .91 prop rpm muffler
14 x 6 10700 stock
13 x 6 11600 stock
12 x 6 13100 stock
14 x 6 11500 turbo Jett
13 x 6 12300 TJ
12 x 6 13600 TJ
15 x 8 9600 TJ
15 x 8 9100 Stock
OS 61 12 x 6 12200 Stock
13 x 6 10200 Stock
12 x 6 12800 TJ
13 x 6 10900 TJ
MDS 68 13 x6 10700 Stock
13 x 6 11200 TJ
Magnum 75 13 x 6 10900 Stock
14 x 6 9900 Stock
13 x 6 11300 TJ
14 x 6 10400 TJ
We also tested the Bisson and found it to be as good or maybe 100 better than the stock mufflers.