Fat Boy 4 Complete Exhaust Kawasaki KFX 700
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Fat Boy 4 Complete Exhaust Kawasaki KFX 700
KFX 700 LH Fat Boy 4


KFX 700 RH Fat Boy 4


KFX 700 Rear View of Both Mufflers


KFX 700 LH Fat Boy 4 Muffler
 
Part Number: FB4-EK7000
Price: $699.00
In Basket: None
Specifications/Options (if any):
Design:
  Add 2 Bolt-On Aluminum Turndowns - $79.90
  Add 2 Spark Arrestors (Turndowns Req.) - $39.90
  Add 2 Repacking Kits - add $41.00


Product Information:

**For installation instructions Click Here
***For Repacking instructionsClick Here

Custom Color options are available by SPECIAL ORDER ONLY
Must call DRI to order colored option
To view color options Click here


*To view Fat Boy 4 Accessories Click Here
*To view Fat Boy 4 Replacement Parts Click Here

All Fat Boy 4 Exhaust Systems with FREE jet kit included with instruction packet

DRI offers a LIFETIME WARRANTY against defects in materials and workmanship on all Fat Boy 4 systems sold. Warranty is for original purchaser only and is non-transferable. Each system is supplied with warranty registration card that must be read, signed and returned to DRI

No HQ muffler is available for this model.

DRI offers a Dual Pipe design (1-pipe on each side) for the KFX 700. The Fat Boy 4 KFX 700 system is offered in (2) separate designs for alternate power needs.

Options
# FB4-EK7000 H-3 Design for Top End Power emphasis $699.00
# FB4-EK7006 T-6 Design for Bottom-Midrange Power emphasis $699.00

Optional Accessories
#FB4-4A250 $39.95 Bolt-On Turndown (required for spark arrestor usage).
#06-554 $17.95 Spark Arrestor Screen.
#FB4-RP110 $20.50 Repacking Kit.
For additional parts see DRI price list for full listing.

Performance: 20% HP Gain peak; 20 bike length gain in a 300 yard acceleration run, average. Outstanding throttle response and excellent midrange pull.

Fat Boy 4 4-Stroke Power Exhausts are a proprietary product of Duncan Racing International, Inc. DRI is the sole manufacture and developer of this product. DRI has designed this product to be the top ATV 4-Stroke exhaust on the market.

Fat Boy 4 Features

CNC Bent 304 stainless steel headers, mid-pipes and tail sections. Standard finish; bright finish.

CNC machined stainless steel header flanges.

Custom designed .100" wall aluminum extrusion muffler body. Standard finish satin. Polished by special order.

Front and Rear End Caps CNC machined from 6061 billet aluminum.

Muffler mounts CNC machined from single piece of 6061 billet aluminum. Attached to muffler body by heli-arc weld.

O-Ring Seal at tail pipe to muffler joint.

All mufflers completely rebuild able and repack able.

Stainless muffler cores.

Optional (at additional cost) Bolt On Turndown; redirects exhaust fumes and noise toward the ground. Also required for use with spark arrestor. Attaches with 4 stainless screws (supplied) and has O-Ring seal.

All systems are individually marked with their own serial number.

Complete DRI Technical phone support for installation and carburetor jetting questions.