Pelican Parts Forums - View Single Post - Too much back pressure (too small of exhaust outlet). What size output is took small?

Joe Bob · Joe Bob's Garage

Backdate the exhaust, use early heat exchangers with no cat. A muffler shop can fabricate a cheap domestic dual in, single outlet muffler. Tune mixture to factory specs. You're golden.....except for fuel, alcohol fuel has a high moisture content that prematurely rusts exhaust systems.