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4" HP40 slip-on muffler for select 2025 HD Softails; free-flowing 4" design improves performance and produces a deep, throaty rumble.
3.5 in HP35 Slip-On for HD: DBX-style catalyst baffle for increased horsepower and torque. Easy install, tuning recommended. OEM gaskets required (not included). No O2 sensor holes.
Revolutionary vibration reduction and improved ride comfort, made in the U.S.A.
Specifically designed to fit all track pitches: 2.52", 2.86", 3", 3.5". Works with snowmobiles and snowbikes up to 3.25" lug depth. Over-sized 5" caster wheels for easy movement. Tapered sides for straightforward track installation.
4.5" slip-on mufflers tuned for HD touring bikes. Works with stock head pipes; DBX Performance baffle for improved sound and power. Made in USA with a Forever Warranty.
Multiple mounting points and splined peg adapters for adjustable positioning. Ideal size for passenger and driver. Stainless steel hardware and quick installation.
- High-performance radial piston design with straight flow for fast response
- Anti-block and anti-fading systems for reliable damping
- 50/30-click rebound and compression adjusters
- Progressive spring with threaded preload; adjustable for solo or two-up riding
Quick installation, clean classic look, durable finish, secures the factory component in place.
Adjustable front stabilizer link for HD Touring frames with reverse-thread rod end and ARP stainless bolts; available in black anodized, gold anodized, or machined finish. Made in the USA.