Cobra 909-TWINS 4" SLIP-ONS BLACK TRI-GLIDE 09-22 - 2009-2025

Cobra 909-twins 4" slip-on mufflers in black for Harley Tri-Glide and compatible V-twin motorcycles, 2009-2025. Dual muffler design with scalloped twin tips and a 2.25" perforated core delivers classic Harley sound with a clean, stealth profile. Made in the USA and 50 State legal.

Features

• 4" twin mufflers with downward angle
• Scalloped twin-tip design with no visible external fasteners
• 2.25" perforated core for traditional Harley sound
• 50 State legal
• Limited Lifetime Warranty
• Made in the USA

Specifications

• Brand: Cobra
• Manufacturer Part #: 6303RB
• Finish: Black
• Muffler Length: 31 in
• Width: 11.13 in
• Height: 5.56 in
• Weight: 21.69 lbs

Fitment

Fits Harley-Davidson Tri-Glide and compatible V-twin motorcycles, 2009-2025 model years.

Frequently Asked Questions

Are these slip-ons or do I need to replace headers?

These are slip-ons that bolt onto your existing stock headers — no header replacement required.

Will these fit my 2009-2022 Tri-Glide?

Yes. These slip-ons are designed for 2009-2025 Harley Tri-Glide models and compatible V-twin motorcycles.

Are they street legal?

Yes — these are 50 State legal and meet EPA standards for on-road use.

What finish options are available?

Cobra 909-twins are available in Black (this model) or Show Chrome.

Do they have a warranty?

Yes — Cobra includes a Limited Lifetime Warranty on these mufflers.