Specs | Dyno Chart | Video Clip | Pipe Styles
The BOSS 548-11/12 slip-on mufflers are designed exclusively for the 2009 Harley-Davidson touring models. These mufflers straighten out the stock pipe that comes slanted-in from the factory.
COMPONENTS
D&D provides mufflers, all necessary hardware and inlet heat shields.
EXHAUST
Exhaust sound quality is improved while still maintaining a civil tone.
PART NUMBERS
Black Pipes
* 548-11B - With back cut tip
* 548-11L - With slant cut tip
Chrome Pipes
* 548-12B - With back cut tip
* 548-12L - With slant cut tip
PERFORMANCE KIT
The performance kit from D&D Performance Enterprises includes all the above plus the Zipper's Hi-Flow Air Cleaner. This kit produces as much as 10% HP for improved performance performance and fuel economy across the RPM range. The Zipper's and D&D slip-on is the best 1-2 punch for increased performance.
NOTE: ZIpper's high performance air cleaner requires and additional investment.