• Dramatic sound, style and power all come together with Knockout Slip-ons.
• 4” Knockout Slip-ons produce unmatched deep, throaty, power packed sound quality from idle to full throttle and are the ideal choice for highly tuned or stock engines.
• MagnaFlow’s signature Pro-Flow, 3 step perforated core delivers power and performance you can feel through the power band.
• Knockouts feature precision channeled aluminum end caps with a beveled edge that instantly upgrades the style and stance of your bike.
• Knockouts easily bolts on to stock or MagnaFlow head pipes and are available in show chrome or deep black finishes with chrome or gloss black end caps.
• All mounting hardware is included.
• Made in the USA by MagnaFlow.

(2) Chrome steel mufflers W/chrome aluminum end caps

(2) Exhaust clamps

(4) 5/16"-18 X 1/2" Serrated flange hex head bolts

(4) 5/16" Split lock washers

(1) .017 Fl. Oz. Tube of Loctite® thread locker

Instructions

The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.