▁years : ▁ 2 0 0 9 – 2 0 1 7 . ▁The ▁V - R od ▁Mus cle ▁was ▁introduced ▁in ▁the ▁summer ▁of ▁ 2 0 0 8 ▁at ▁the ▁Har ley - David son ▁deal er ▁show ▁in ▁Las ▁Veg as ▁for ▁the ▁ 2 0 0 9 ▁production ▁model ▁year . ▁In ▁prom oting ▁the ▁Mus cle , ▁American ▁fashion ▁model ▁Mar isa ▁Miller ▁was ▁h ired ▁for ▁an ▁advert ising ▁campaign ▁aim ed ▁at ▁younger , ▁urban ▁rid ers . ▁ ▁It ▁would ▁be ▁one ▁of ▁only ▁three ▁V R SC ▁models ▁for ▁ 2 0 0 9 . ▁Like ▁the ▁other ▁two ▁models , ▁the ▁Mus cle ▁used ▁the ▁ ▁Revolution ▁Engine , ▁a ▁ 2 4 0   mm ▁wide ▁rear ▁t ire , ▁ ▁fuel ▁tank , ▁sli pper ▁cl utch ▁and ▁forward ▁controls . ▁Un like ▁the ▁other ▁models ▁in ▁the ▁V R SC ▁line up , ▁the ▁Mus cle ▁had ▁straight ▁shot ▁dual ▁exhaust s , ▁with ▁a ▁c ros so ver , ▁one ▁on ▁each ▁side ▁of ▁the ▁bi ke , ▁unlike ▁the ▁ 2 > 1 > 2 ▁exhaust ▁found ▁on ▁all ▁other ▁V R SC ▁models . ▁Additionally , ▁the ▁Mus cle ▁used ▁an ▁air - box ▁with ▁mock - up ▁air - rams ▁like ▁those ▁found ▁on ▁many ▁American ▁p ony ▁and ▁mus cle ▁cars . ▁In ▁the ▁production ▁version ▁of ▁the ▁bi ke ▁the ▁air - rams ▁are ▁cos met ic . ▁The ▁V R SC F