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D942IN Rev. 1.0

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13861 ROSECRANS AVENUE / SANTA FE SPRINGS, CA 90670

SALES: (562) 921-7461 / TECHNICAL: (562) 926-5291 / FAX: (562) 802-0110

VANCEANDHINES.COM

MORE POWER : LESS NOISE

FUEL MANAGEMENT

NOW YOU NEED FUELPAK.

Your fuel injected Harley-Davidson® is equipped with an ECU 

(electronic control unit) that’s programmed to deliver fuel to the motor 

based on an air/fuel ratio for a stock air filter and stock exhaust 

system. When you install a performance exhaust system, your 

airflow changes, so you need a fuel management system that 

adjusts your air/fuel ratio to match the changes. That fuel 

management system is Fuelpak. Fuelpak adds and takes 

away fuel, allowing for a more precise range of refinement 

in your air/fuel ratio. Get the perfect fuel management 

combination with your Vance & Hines exhaust system, get 

Fuelpak. For more information visit the tuning center at fuelpakfi.

com

NOTICE: Fuelpak is intended for racing or off-highway use only, and is 

not legal for sale or use in California on pollution-controlled vehicles.

GET THE MOST OUT OF YOUR RIDING EXPERIENCE...

AN AFTERMARKET EXHAUST SYSTEM IS ONLY YOUR FIRST STEP, NOW YOU NEED FUEL MANAGEMENT.

Summary of Contents for 26071

Page 1: ...remove the flanges and circlips from the stock exhaust system us ing snapring pliers NOTE Replace bent or damaged circlips 11 Remove stock exhaust gaskets and replace them with the supplied exhaust gaskets NOTE Replacement gaskets HD Screaming Eagle 17048 98 or equivalent 12 Remove stock oxygen sensors and set them aside for they will be re used on new system BRACKET 391 P TRANSMISSION COVER REMOV...

Page 2: ...tween the two muffler bodies is consistent from front to rear and tighten exhaust port flange nuts Figure 6 9 Tighten flange bolts securing muffler bodies to mount bracket 391 P 10 Using the 28 hose clamps install the muffler heat shields with the D308HC on the front head pipe and the D309HC on the rear Take note of screw head direction Figure 4 NOTE Do not tighten at this time 11 Adjust the heat ...

Page 3: ...s warranty does not cover any product subject to abuse misuse improper installation or modification WARRANTY PARTS NOT SHOWN 391 P Bracket x 1 D418FC Front head pipe assy x 1 D419FC Rear head pipe assy x 1 D400HC Front heat shield x 1 D403HC Rear heat shield x 1 D308HC Ft muffler heat shield x 1 D309HC Rr muffler heat shield x 1 HARLEY DAVIDSON DYNA BIG RADIUS 2 2 INSTALLATION INSTRUCTIONS PART 26...

Page 4: ...irflow changes so you need a fuel management system that adjusts your air fuel ratio to match the changes That fuel management system is Fuelpak Fuelpak adds and takes away fuel allowing for a more precise range of refinement in your air fuel ratio Get the perfect fuel management combination with your Vance Hines exhaust system get Fuelpak For more information visit the tuning center at fuelpakfi ...

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