SP Concepts 2-into-1 4.5in Big Bore Exhaust Black Dyna 2006-2017

The SP Concepts 2-into-1 4.5 inch Big Bore Exhaust brings high flow performance, black styling and strong mid range power potential to Dyna builds.

Key features

• 4.5 inch high flow performance rolled cone muffler with stepped baffle from 2 1/4 to 2 1/2 inches.
• Designed to increase bottom to mid range torque and horsepower when tuned correctly.
• 0.065 stainless steel headers stepped from 1 3/4 inch to 1 7/8 inch to 2 inch at the collector.
• Hand TIG welded from top to bottom.
• Machined stainless steel header collars.
• 18mm O2 bungs with 12mm adapters for stock or wideband sensors.
• Complete hardware kit included for mounting.

Fitment

Fits Harley-Davidson Dyna 2006-2017 models.

Tech tips

• Does not fit Dyna Switchback FLD models with floorboards.

Proudly made in the USA by Stainless Powered Concepts.