SP Concepts Big Bore Pro Flo 2-Into-1 Exhaust For Harley

SP Concepts Big Bore Pro Flo 2-Into-1 Exhaust For Harley

Take your ride beyond standard performance with the SP Concepts Big Bore Pro Flo Chambers. Engineered to refine exhaust flow for better torque and horsepower, these pipes deliver both power and personality. With their one-of-a-kind design and aggressive sound, the Pro Flo system ensures your bike gets noticed for all the right reasons.

Features:

• 4 1/2" rolled cone muffler offers increased flow for high performance applications
• Designed to work with properly tuned high performance motors from 88" to 143"
• Stepped 2 1/4" to 2 1/2" baffle for increased mid-range torque
• .065 stainless headers step from 1 3/4" to 1 7/8" to 2" at the collector
• TIG welded by hand from top to bottom
• Machined stainless header collars
• 18mm O2 bungs with 12mm adapters for performance and stock O2 sensors
• Includes all hardware and brackets
• Heat shields available separately
• Available in a variety of finishes: Stainless, Polished Stainless, Black and Black Onyx

Note: This pipe should not be installed without a fuel tuner. This pipe is designed specifically for high performance applications and is not recommended for stock motors.