D&D 556Z-32 Boss Fat Cat 2:1 Exhaust, Chrome For Harley Touring ’09-’16

D&D’s 556Z-32 Boss Fat Cat 2:1 Exhaust, Chrome is made specifically for Harley-Davidson Touring (2009-2016).

• 2:1 Boss Fat Cat is a stepped header system at the head 1 5/8″ to 1 3/4″ to 1 7/8″ at collector and and 2 1/2″ where the muffler goes to the header. 
• All Boss Fat Cat full systems a equipped with heat shields, exhaust gaskets, bolt kit and a baffle.
• Each exhaust system is designed and dyno tested at our facilities. All of our testing is done with that Harley SE Race Tuner.
• Every exhaust is designed to increase low-end torque and horsepower.
• Performance increases are about up to 15% with the proper tune on the bike.
• The Louvered wrapped baffle is the quitest baffle for motors 96″ to 103″
• The Perforated baffle is the very very loud baffle for motors 96″ to 113″
• Perforated Baffle – Loudest
• Perforated Wrapped Baffle – Louder
• Louvered Wrapped Baffle – Least Loud

Options for Muffler Cut:

• Back Cut
• Slant Cut
• Straight Cut

• When using Woods Cams the best baffle to use is either of the Perforated Baffles.
• The Boss Fat Cat’s starting in May 2014 comes with both 12mm and 18mm 02 bungs to fit bikes 2009-2015. The new part # has a Z in it for both size 02 bungs.
• Slant Cut Muffler work best on the CVO extended bag models.
• 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.
• Blueing and Discoloration are caused by Improper Tuning and will not be covered under Warranty.
• D&D Performance Exhaust Systems as designed for close course racing applications only. Not for use on pollution controlled vehicles.