Parts
Yamaha YFZ 450R Exhaust
Big Gun exhaust for the Yamaha YFZ 450R. Slip-on mufflers, head pipes and full exhaust systems in the EXO, EVO R and Ballistic series, fitting model years 2009 to 2025. Slip-on mufflers bolt to the stock head pipe in about an hour, full systems replace the whole run for the biggest gain, and a tuner keeps the fuel right after the swap. Most systems include a removable spark arrestor, and orders over $100 ship free. Closed-course use only.
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Every Big Gun part for the Yamaha YFZ 450R
9 parts: 2 full exhaust systems, 4 slip-on mufflers, 2 head pipes, 1 TFI Power Box tuner. From $399.38.
Part numbers and fitment years
| Part | Fits | Part # | Price |
|---|---|---|---|
| TFI Power Box | 2009 to 2024 | 40-R57G | $519.50 |
| EVO R Slip On Muffler | 2009 to 2025 | 09-24702 | $587.96 |
| BALLISTIC SERIES Slip On Muffler | 2009 to 2025 | 08-1212 | $548.90 |
| EVO R Head Pipe | 2009 to 2025 | 09-24701 | $399.38 |
| EVO R Full Exhaust System | 2009 to 2025 | 09-24703 | $985.92 |
| EXO Series Full Exhaust System | 2009 to 2025 | 13-24703 | $1,037.54 |
| ECO Slip On Muffler | 2009 to 2025 | 07-1212 | $470.02 |
| EXO Series Slip On Muffler | 2009 to 2025 | 13-24702 | $640.30 |
| EXO Series Head Pipe | 2009 to 2025 | 13-24701 | $399.38 |
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