FMF Gold Series Fatty Pipe - 020150 Other manufacturers have copied Gold Series pipes but nothing beats the original All Gold Series pipes are computer designed and dynotested to focus power gains where each machine needs it most Every pipe goes through the Tru-Flo stamping process to ensure quality performance and optimum fit Fatty pipe offers better bottom and top power Improved performance, enhanced bottom end, a stronger mid-range and more peak Gold Series finish and sturdy 19 gauge U.S. steel construction Stronger than stock The perfect pipe for all moto applications and off-road versatility Nickel-plated Yamaha 1999 Yamaha YZ125 Part No. 07-235.FMF.FAT � � 99 YZ125L1 99 YZ125 Majority of our listings are for a direct replacement for your original part. Our parts are made of quality and are designed to meet or exceed the original OEM Standards. Our products are often a cost effective alternative to genuine OEM Parts. Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.