Black Ceramic 4" Slip-on Mufflers by Kerker / Supertrapp Kerker Stout 4” Slip-Ons are beautifully crafted with a pleasant tone and unsurpassed performance gains
These non disc-based, massive 4” Slip-Ons have a newly developed core for the 2010-2016 models
16% More HP and 14% Torque Gains over Stock
The streamlined, Internal Tapered, Billet Aluminum End Cap with recessed
fasteners comes pre-installed and is a sign of the true craftsmanship
that went into the design of these pipes
The newly shaped inlets flow
better into the OEM head pipes as well as SuperTrapp True Dual Head
Pipes
Black ceramic bodies with a black, ceramic-coated, contrast cut end cap
The Kerker Stouts’ tapered core is minimally louder than stock
Kerker by Supertrapp
Stout Slip-Ons provide a
heavy, broad spread power curve right from idle
Huge 9.3 (16%) hp and 10.5 (14%) torque gain over stock
At
95.6 dB @ 2,000 rpm, or 2.4dB over stock.
Kerker by SuperTrapp Stouts are SAE-J2825 sound compliant
Massive 4″ Black Ceramic Muffler Bodies Internal Tapered, Billet Aluminum End Cap comes
pre-installed
The recessed fasteners in the End Caps are a sign of the
true craftsmanship
Newly Designed inlets flow better into the OEM head pipe
Provide a heavy, broad spread power curve
Huge horsepower and torque gains over stock mufflers
16% More HP and 14% Torque Gains over Stock
Minimally 5Db louder than stock
This product was proudly made in the USA
Retail is $788.99
Brand New In Factory Packaging
Sold in Pairs CCI Part 664620 147-78226 Fits Most Harley Davidson Road Kings Street Glides Dressers