DB Killer Medium HP4

msliders Verified independent store

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DB Killer Medium HP4 Dominator dB killer insert designed to reduce exhaust noise on compatible Dominator silencers. Version: Medium. Key specs & features Medium insert option (as l isted). Version: Medium Use to fine-tune exhaust volume; results depend on silencer core and engine setup. Check fitment/diameter before ordering—measure your outlet or existing insert. Sold by msliders.com. Unsure which insert size you need? Send a photo of your Dominator end-cap or your silencer model and we’ll match it. Show more