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Model 1020 THUNDERHEADER™ for Shovelhead
Shovelhead model years 1970-1983 without floorboards. Increased horsepower & unmistakable THUNDERHEADER™ sound.
Year |
Fitment |
Chrome |
Black |
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1970-1983 |
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1020 |
1020B |
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Heat Shield set of 3 |
1120 |
1120B |
Thunderheader™ Exhaust Systems are legal for CLOSED-COURSE COMPETITION use only.