COBRA 909 Mufflers for Tri-Glide - Black 6303RB 4" Slip-On Muffler This spacer is NOT required

This spacer is NOT required if using Barnett clear derby cover 1107-0540 or 1107-0541

these headpipes perform like a true 2-into-1 pipe with the clean look of a traditional dual system

End tabs clip into cheek pads to create a closed breath box to keep your warm breath from getting into your shield and creating fogging issues

Optimizes overall performance

louvered core inside the muffler body The muffler is finished off with a reverse cone El Diablo style tip

COBRA 909 Mufflers for Tri-Glide - Black 6303RB 4" Slip-On Muffler This spacer is NOT requiredUnique blend of performance, sound, style and price Class leading power Expanded end and rolled tips Same construction and sound as the Cobra short RPT systems Available in chrome Made in the U. S. A.