Vance and Hines Big Radius Full Systems — 1991-2005 Harley-Davidson Dyna 91

Vance and Hines Big Radius full exhaust system for 1991-2005 Harley-Davidson Dyna 91 models, replacing both header pipes and mufflers as a complete bolt-on assembly. Big Radius tubing design flows more air and reduces backpressure for improved engine response and throttle feel.

Features

• Full system — headers and mufflers included
• Big Radius tubing design for improved flow
• Direct bolt-on installation
• Fits 1991-2005 Dyna 91

Specifications

• Brand: Vance and Hines
• Manufacturer Part #: 26008
• Weight: 19.8 lb

Fitment

Fits 1991-2005 Harley-Davidson Dyna 91 models with stock mounting points. Complete replacement for factory header pipes and mufflers.

Frequently Asked Questions

Is this a full system or just mufflers?

Full system — includes both header pipes and mufflers. Replaces the entire factory exhaust assembly.

Will this fit my 2006+ Dyna?

No — this part is specific to 1991-2005 Dyna 91 models. Newer Dyna generations require a different part number.

Do I need to retune my fuel injection?

Retuning is recommended with any full exhaust system to optimize air-fuel mixture and maximize performance gains.

What's the installation difficulty?

Direct bolt-on design. Installation typically takes 2-3 hours with basic hand tools and a jack.