Khrome Werks Plug Insert dbKILLER Insert for 4" and 4.5" HP-Plus Mufflers

Khrome Werks Performance dbKILLER Baffle Insert for 4" and 4.5" HP-Plus Mufflers

• Bolt-in optional insert
• No appreciable loss of performance
• PLUG INSERT DB KILLER FOR 4" AND 4.5" HP-PLUS MUFFLERS, Pair