2-into-1 4.5in. Big Bore Exhaust - Stainless Steel. Fits Dyna 2006-2017 - SP Concepts Exhaust

Features & Benefits:-

* 4.5" high flow performance rolled cone muffler with stepped baffle from 2 ¼ to 2 ½ inches. Increases bottom to mid-range torque and horsepower on all motors. Tuned properly can accommodate 88" to 143".

* 065 stainless steel headers stepped from 1 ¾" to 1 7/8" to 2" at the collector

* Hand tig welded from top to bottom

* Machined stainless steel header collars

* 18mm o2 bungs with 12mm adapters, allows for stock or wideband sensors

* Com

plete hardware kit with everything you need to mount it up

Proudly Made in the USA by Stainless Powered Concepts !

Tech Tips:-

* Does not fit Dyna Switchback (FLD) Models with Floorboards