FMF RACING Factory 4.1 Slip-Ons |
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| Titanium canister shape and size is lighter and more performance-optimizing. Factory 4.1 Mufflers with stainless steel mid-pipes. Fits stock, Power Bomb, Mega Bomb or Hi-Flo header, boosts low-mid torque, broader powerband, more over-rev. |
TR-27-4059
| S/S FACT 4.1 S/O MFLR YFZ450 044206 |
$549.99 |
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| TR-27-4064
| S/S FACT4.1 S/O MFLR RAPTOR700 044211 |
$549.99 |
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TR-27-5237
| 4.1 S/O ANO TI MFLR YFZ450 044400 |
$511.57 |