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

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

The SP Concepts Big Bore Pro Flo System takes performance a step further with engineered chambers that improve reversion and exhaust flow. Expect smoother power delivery, stronger torque, and a distinctive design that stands apart from any other exhaust on the market. Ideal for riders who demand both performance and individuality.

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.