SP Concepts Lanesplitter Exhaust for 2018-2026 Harley Softail

Product Description

SP Concepts LaneSplitter 2-Into-1 Exhaust for 2018-2026 Harley M8 Softail

Give your Milwaukee-Eight Softail the sound, performance and aggressive styling it deserves with the SP Concepts LaneSplitter 2-Into-1 Exhaust. Designed for performance-oriented Harley-Davidson riders, the LaneSplitter combines stepped stainless steel headers, a large 4" muffler and a free-flowing perforated baffle to deliver increased torque, strong exhaust flow and the deep tone SP Concepts systems are known for.

The LaneSplitter is built around heavy-duty .065" stainless steel headers that step from 1-3/4" to 1-7/8" and then to 2" at the collector. This stepped design helps optimize exhaust gas velocity and flow throughout the RPM range, making the system a strong choice for stock Milwaukee-Eight engines as well as motorcycles equipped with intake, camshaft and other performance upgrades.

A 4" rolled-cone muffler houses a 2-1/4" coiled perforated baffle designed to produce a deep, aggressive exhaust note while maintaining the performance characteristics expected from a modern 2-into-1 system. Every LaneSplitter is hand TIG welded from top to bottom and uses machined stainless steel header collars for a durable, high-quality installation.

The system includes 18mm O2 sensor bungs along with 12mm adapters, allowing it to work with factory oxygen sensors or compatible wideband/autotune sensors. A complete mounting hardware kit is included to simplify installation.

Choose from multiple finish options to match your build, including Stainless, Black, Polished, Black ONYX and Platinum. 

Fitment

Fits most 2018-2026 Harley-Davidson Milwaukee-Eight Softail models.

Compatible Models: Fits applicable Street Bob, Low Rider, Low Rider S, Low Rider ST, Sport Glide, Softail Standard, Heritage Classic, Softail Slim and other compatible M8 Softail models within the listed year range.

2026 Models: Designed to fit the updated 2026 Softail platform, including Low Rider ST models with the updated cam cover configuration.

Does Not Fit: Harley-Davidson Breakout or Fat Boy models.

Note: Verify your exact motorcycle model, year and exhaust configuration before ordering.

Features

• Performance 2-into-1 exhaust system for Harley-Davidson Milwaukee-Eight Softail models
• Fits most 2018-2026 M8 Softails
• Does not fit Breakout or Fat Boy models
• Designed to fit updated 2026 Softail applications
• 4" rolled-cone muffler
• 2-1/4" coiled perforated baffle
• Designed for increased torque and a deep exhaust tone
• .065" stainless steel header construction
• Stepped headers transition from 1-3/4" to 1-7/8" to 2" at the collector
• Hand TIG welded from top to bottom
• Machined stainless steel header collars
• 18mm oxygen sensor bungs
• Includes 12mm O2 sensor adapters
• Compatible with stock O2 sensors or applicable autotune/wideband sensors
• Complete mounting hardware kit included
• Available in Stainless, Black, Polished, Black ONYX and Platinum finishes
• Ideal for stock and performance-built Milwaukee-Eight engines
• SP Concepts Part Number: SPC-1-001-ST