Part No. 6107718 STAINLESS MEGABOMB HEADER The science behind the MEGABOMB HEADER may be our greatest engineering. accomplishment to date. You can pay an engine builder thousand or bolt on a MEGABOMB. for as much as a 3hp boost. Plus, the MEGABOMB reduces noise levels by as much as 1.5dB. The MEGABOMB header may be the best kept holeshot secret. Used by Factory Teams, the MEGABOMB is next level technology you can have today. Simply bolt it on and go faster. To Fit: KTM 250SXF 19-21 HUSQVARNA FC250 19-21