Post by Tim Draggoo on Apr 10, 2015 14:11:48 GMT -5
There has been a few question that have come up about the exhaust header and muffler allowed on our predator motors. The rule states: 328.1.2. Exhaust pipe & muffler (Max 1 inch in diameter single stage max 22 inch length. The 1 inch in diameter is referring only to the header (pipe). We will allow the header to step up to fit the 1-5/16" B91XL (RLV 4104) - The steps must be within the last few inches of the pipe. Also, remember that the muffler cannot be welded to the header, and the header must have a protective wrap.
Here are some examples:
Header: - RLV 5438C
Muffler: - RLV 4104
SKRA Board
Here are some examples:
Header: - RLV 5438C
Muffler: - RLV 4104
SKRA Board