I recently swapped exhaust, carb, and different air intake. New exhaust is RB racing pro challenge 2 into 1, new carb is PSI series 4 big air, and Ben velocity stack air cleaner with filter. Former carb was S&S super g, former exhaust was grumpy's twisted sister, and former intake was a velocity stack with dual screen filters. All other work was previously done to my bike 7 years ago which included woods w6hf cam, woods springs, clean the ports up on the heads, stock valves and no porting , bronze intake and exhaust valves, stock big dog ignition module, jugs cut down to raise compression to about 10.5.1
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