FMF 4 Stroke - Header Pipes Stock Item:I Megabomb Ti YZ450F 2026 Header pipe FMF Upgraded chain from the DID

Upgraded chain from the DID 525 VX2 chain

2 on the sleeves

The VX Platinum Spark Plug is engineered with a tapered ground electrode for better heat transfer and improved ignitability

The PowerCore 2 provides a strong performance edge for any 2-stroke machine and the performance flow end cap and front stinger are stainless steel for unbeatable durability and an unmatched look

FMF 4 Stroke - Header Pipes Stock Item:I Megabomb Ti YZ450F 2026 Header pipe FMF Upgraded chain from the DIDMEGABOMB HEADER: The science behind the MegaBomb header may be FMF's greatest engineering accomplishment to date. You can bolt on a Megabomb with an existing FMF Racing muffler for as much as a 3hp boost, plus the Megabomb actually reduces noises levels by as much as 1. 5dB. The Megabomb technology is revolved to produce more low end to mid range gains as well as broadening out the mid to top end power gains over stock. The Megabomb is best used for