MAC Performance

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X-MAC-tor

POWER BY DESIGN™

MAC 2 into 2 TT-Pipes for the Yamaha XS650 Part # MAC-TT-Y650

  •  1¾" TT-Pipes come with our Reverse Cone
  •  One piece muffler, no weld or rivet end cap
  •  Straight thru louvered core for high flow
  • MAC Design since 1972!
  • Available with or without baffle
  • Head pipe available separate for that classic look!

X-MAC-Tor for the Yamaha XS 650  Part # MAC-X-Y650

​The X-MAC-tor makes Maximum Power Thru-Out the RPM Range by letting the exhaust gases see and exit both mufflers. MAC Reverse Cone Mufflers with a Straight thru perforated Core or No baffle race design. 

  • ​The X PIPE is a proven power maker creating a true scavenging & balanced exhaust system.
  • 2 into 2 TT-Style with Outstanding Performance!​​

More Exciting Motorcycle Exhaust Systems from MAC!

2-1 Yamaha XS650

1¾" Performance

with reverse cone!

2 into 2 Reverse Cone for the 650 Part # MAC-22-t650

Our Traditional head pipes with Reverse Cone Megaphone Mufflers. One piece muffler construction means there are no weld marks, rivets or bolts holding an end cap in place. 1¾" Head pipes with all mounting hardware!

MAC 2 into 2 Reverse Cone for the Yamaha XS650 Part # MAC-22-Y650

1¾" Head Pipes with our Reverse Cone Megaphone Mufflers. The one piece muffler construction sets these mufflers in a class of its own. There are no weld marks, rivets or bolts holding an end cap in place. The Straight through perforated core allows for maximum performance. All hardware is included in kit to complete the Install. Uses stock mounting brackets!

X-MAC-Tor for the Triumph 750 1973-1979 Part # MAC-750XC

X-MAC-Tor for the Triumph 650 1963-1972 Part # MAC-650XC

​The X-MAC-tor makes Maximum Power Thru-Out the RPM Range by letting the exhaust gases see and exit both mufflers. MAC Reverse Cone Mufflers with a Straight thru perforated Core or No baffle race design. 

  • ​The X PIPE is a proven power maker creating a true scavenging & balanced exhaust system.
  • 2 into 2 TT-Style with Outstanding Performance!​​