448-31-32 Part Numbers and Instructions and Bolt Kit
Our exhaust systems are designed around stock configurations. If your motorcycle has modifications such as Lowered Suspension, Shocks, or Aftermarket Saddlebags, the exhaust system may not work as intended.
Make: Harley Davidson
1989-2000 Harley FXR Fat Cat
2:1 Fat Cat is a stepped header system at the head is 1 3/4" to 1 7/8" at collector and 2 1/2" where the muffler goes to the header.
All D&D full systems are equipped with heat shields,exhaust gaskets, bolt kit and baffles.
Each exhaust system is designed and dyno tested in our facilities.
Our testing is done with the Harley Tuner's Every pipe is designed to increase low-end torque and horsepower.
Performance increases are about 8 to 10 percent with the proper tune on the bike.
At idle, the motorbike is deep, boomy and full of character. Not only does the pipe look good, it is a wonderfully sounding experience for the rider.
Baffles come in a Wrapped version to make them a little quieter.
The inter core of the louvered baffle is 2 1/4"
Blueing and Discoloration are caused by Improper Tuning and will not be covered under Warranty
D&D Performance Exhaust Systems are designed for close course racing applications only. Not for use on pollution controlled vehicles.