Fitting Features: Years ’89 – ’06  &  Years ’07 – ’16

• 1 ¾ in. tubing
• Head pipes that step into a 1-7/8″ muffler
• Chrome heat shields cover headers
• Fishtail mufflers no baffle
• Made in the U.S.A.
• Please note on older models that did not come stock with true duals, you will have to tap holes to mount the left side of the exhaust.
  

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(33′ Inch)  (36′ Inch)  (39′ Inch)

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Fitting Features: Years ’89 – ’06  &  Years ’07 – ’16

• 1 ¾ in. tubing
• Head pipes that step into a 1-7/8″ muffler
• Chrome heat shields cover headers
• Fishtail mufflers no baffle
• Made in the U.S.A.
• Please note on older models that did not come stock with true duals, you will have to tap holes to mount the left side of the exhaust.

Fitting Features: Years ’89 – ’06  &  Years ’07 – ’16

• 1 ¾ in. tubing
• Head pipes that step into a 1-7/8″ muffler
• Chrome heat shields cover headers
• Fishtail mufflers no baffle
• Made in the U.S.A.
• Please note on older models that did not come stock with true duals, you will have to tap holes to mount the left side of the exhaust.

Fitting Features: Years ’95 – ’16

• 1 ¾ in. tubing
• Head pipes that step into a 1-7/8″ muffler
• Fits 1995 Models and up
• Muffler OD Straight Pipe Fishtail Mufflers without Baffle
• Made in the U.S.A.
  

Click on Inch to view display
(33′ Inch)  (36′ Inch)  (39′ Inch)

Fitting Features: Years ’95 – ’16

• 1 ¾ in. tubing
• Head pipes that step into a 1-7/8″ muffler
• Fits 1995 Models and up
• Muffler OD Straight Pipe Fishtail Mufflers with Baffle
• Made in the U.S.A.
  

Click on Inch to view display
(33′ Inch)  (36′ Inch)  (39′ Inch)

Fitting Features: Years ’09 – ’16

• 1 ¾ in. tubing
• Head pipes that step into a 1-7/8″ muffler
• O2 Sensor Ports with Plugs
• Mufflers sold separately
• Accept any 09 – 16 style mufflers that fit to stock headpipes, including 4DXtreme Dresser mufflers
• Heat shields included
• Made in the U.S.A.

Fitting Features: Years ’95 – ’16

• 1 ¾ in. tubing
• Head pipes that step into a 1-7/8″ muffler
• Fits 1995 Models and up
• Full Chrome heat shields
• 12mm O2 ports for factory sensors with plugs, and 18mm for wide band sensors with plugs
• Can be used with aftermarket mufflers in addition to 4DXtreme Mufflers
• Made in the U.S.A.

Fitting Features: Years ’95 – ’16

• 4″ OD muffler with reverse slant cut
•  internal Straight core
• Can be used with 4DXtreme headers or factory headers
• Optional baffles purchase separately
• Made in the U.S.A. PAT:10,494,977 PSYCHO MUFFLERS