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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.
High-density friction plates increase surface area by 11% for longer clutch life; precision-manufactured drive plates; made in the U.S.A.
Direct replacement twist-grip sensor with pre-installed MIL‑SPEC terminals and hardwired harness connection.
Top-quality OEM-style replacement connector and terminals. Easy to use, made in the USA.
Complete extension wiring kit with pre-crimped Molex terminals, heat shrink, and color-matching wire to extend OEM H-D handlebar switch wiring. Made in the U.S.A.
Durable stainless steel muffler clamps with a 360° reaction block to prevent distortion and corrosion-resistant fasteners for reliable exhaust sealing.
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.
Dyno-tested: 12% more torque and 7% more power. 4-1/2" HP-Plus® slip-on with absorptive baffle and 16-gauge body. Made in the U.S.A.
- 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
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.
- Patented pivoting risers for customizable bar position
- Mounts on most V‑Twin machines with an open mounting area
- Simple bolt‑on installation; secure top and bottom clamping
- Made in the USA; verify cable and brake line length before installation
Performance inserts for 4" and 4-1/2" mufflers. Adjustable tone via bolt-held inserts. Easy installation with basic hand tools; change sound in minutes.
Deep, adjustable tone by swapping inserts in minutes.
Control your "Growl Level" with a two-bolt insert.
Easy installation with basic hand tools; no hammers required.