The SP Concepts 2-into-1 4.5 inch Big Bore Exhaust is built for Dyna riders wanting a black performance exhaust with strong flow, clean fitment and a deep custom look.
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 1999-2005 models.
Proudly made in the USA by Stainless Powered Concepts.
