2-into-1 4.5in. Big Bore Exhaust - Stainless Steel. Fits Dyna 1999-2005 - SP Concepts Exhaust Ignition Modules & Kits This header will mate up

This header will mate up with any aftermarket mufflers

* Integrated Polycarbonate Window Top

* Lightweight 3D knurled billet design with detailed CNC machine work for a clean custom look

Increases throttle response and eases starting

2-into-1 4.5in. Big Bore Exhaust - Stainless Steel. Fits Dyna 1999-2005 - SP Concepts Exhaust Ignition Modules & Kits This header will mate upFeatures & Benefits: * 4. 5 high flow performance rolled cone muffler with stepped baffle from 2 to 2 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 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 *