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176 Posts
Discussion Starter · #1 ·
hey, looking for a proven exhaust for a 117 big dog chopper. its got 640 cam, ported heads, 10.5-1 comp, g carb and right side chain drive. has ness 2 1/4" stacker drag pipes on. put thunder monster baffles in, had it dyno'd and jetted, and still getting stumble at 3000 rpm. air/fuel ratio is real flat except for the blip at 3000 rpm. have a booster kit from xxx carbs coming. $50 figure its worth a shot. if not then drag pipes got to go. from what i hear s&s motors and drag pipes just dont like the street. looking for a performance exhaust. 2 into 1. need suggestions. boarzilla? fatcat? pro pipe? :dunno:
 

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Premium Member
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176 Posts
Discussion Starter · #2 ·
yea. was wondering what pipes he had on that monster 124. i'll call him soon. lot of big dog people like the martin bros pipes or the v&h big radius. they look good but if i can get another 5 hp from a 2 into 1 then i'm there. :xhere:
 
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