SP Concepts Big Bore Exhaust for 2006-2017 Harley Dyna

SP Concepts is now offering high-quality American-made performance exhaust for Dyna models. Choose either a Stainless, Black or Polished finish. The Big Bore pipe is designed to increase bottom to mid range torque & hp. Can accommodate 88"-143" motors when tuned properly.

Fits: 2006-2017 Harley Dyna Models

• 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 AUTOTUNE SENSORS
• COMPLETE HARDWARE KIT WITH EVERYTHING YOU NEED TO MOUNT IT UP

DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.