Good info. posted by ZiNnYc on February 21, 2011 at 09:02 AM
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Have you ever looked inside one of the their mufflers? Tri flow design (Last I knew) was 3 chambers...... A straight through design you can see through, try looking into the tip of a B&B muffler. It is not just the 2 90 degree bends on their pipes that are hurting the flow. It is also fairly common for their muffler internal welds to fail.