When I got my vintage speedster, it had a arbarth style 4 pea shooter exhaust, however due to what was thought to be restrictions in exhaust gases the engine didn't run right due to the exhaust I opted to change for a sidewinder type, and although this solved the exhaust restrictions and the engine now runs well, I am not keen on the look of the new exhaust as it sits too low, I didn't think you would see as much from the rear, and I really what the stock look. The engine is a 1641 type 1, and my question is can you use a stock type 1 exhaust or preferably a stainless version without having to modify the body/bumpers?
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