A manifold-head connector assembly comprising: a distal jumper tube in fluid providing communication with a cylinder head aperture , the distal jumper tube comprising a distal jumper tube conduit defining a first inner bore, a first upstream end, and a first downstream end, the first upstream end having a first exterior engagement feature ; a proximal jumper tube comprising a proximal jumper tube conduit defining a second inner bore, a second upstream end configured to be coupled to an intake manifold , and a second downstream end, the second downstream end having a second exterior engagement feature ; a middle jumper tube comprising a middle jumper tube conduit defining a third inner bore, a third upstream end, and a third downstream end, the third upstream end and the third downstream end having a third exterior engagement feature and a fourth exterior engagement feature , respectively, the third exterior engagement feature removably coupled to the second exterior engagement feature , the fourth exterior engagement feature removably engaged to the first exterior engagement feature ; a first means for engaging the first exterior engagement feature and the fourth exterior engagement feature ; and a second means for engaging the second exterior engagement feature and the third exterior engagement feature ; wherein the first exterior engagement feature comprises a first flange, the second exterior engagement feature comprises a second flange, the third exterior engagement feature comprises a third flange, and the fourth exterior engagement feature comprises a fourth flange; and wherein a first wedge-shaped gap is formed between the first flange and the fourth flange; and a second wedge-shaped gap is formed between the second flange and the third flange. a distal jumper tube in fluid providing communication with a cylinder head aperture , the distal jumper tube comprising a distal jumper tube conduit defining a first inner bore, a first upstream end, and a first downstream end, the first upstream end having a first exterior engagement feature ; a proximal jumper tube comprising a proximal jumper tube conduit defining a second inner bore, a second upstream end configured to be coupled to an intake manifold , and a second downstream end, the second downstream end having a second exterior engagement feature ; a middle jumper tube comprising a middle jumper tube conduit defining a third inner bore, a third upstream end, and a third downstream end, the third upstream end and the third downstream end having a third exterior engagement feature and a fourth exterior engagement feature , respectively, the third exterior engagement feature removably coupled to the second exterior engagement feature , the fourth exterior engagement feature removably engaged to the first exterior engagement feature ; a first means for engaging the first exterior engagement feature and the fourth exterior engagement feature ; and a second means for engaging the second exterior engagement feature and the third exterior engagement feature ; wherein the first exterior engagement feature comprises a first flange, the second exterior engagement feature comprises a second flange, the third exterior engagement feature comprises a third flange, and the fourth exterior engagement feature comprises a fourth flange; and wherein a first wedge-shaped gap is formed between the first flange and the fourth flange; and a second wedge-shaped gap is formed between the second flange and the third flange. <EOS>