Bitter End – Old School Choppers – One-Stop Shopping for Hardcore Chopper Builders
Not all horsepower is expensive. Simply install these into the exhaust header pipe at the head and instantly feel more power throughout the entire RPM range.
Increase exhaust gas velocity while reducing the harmful effect of reversion.
Fits all stock Harley-Davidson Evolution motorcycle models and Twin Cam 88 1999/Later.
Sold in pairs.
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