Parts
Yamaha WR 450F Exhaust
Big Gun exhaust for the Yamaha WR 450F. Slip-on mufflers and full exhaust systems in the EVO R, Ballistic and Eco series, fitting model years 2007 to 2015. 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 WR 450F
7 parts: 1 full exhaust system, 6 slip-on mufflers. From $469.91.
Part numbers and fitment years
| Part | Fits | Part # | Price |
|---|---|---|---|
| BALLISTIC SERIES Slip On Muffler | 2007 to 2011 | 08-1392 | $548.77 |
| EVO R Full Exhaust System | 2007 to 2015 | 09-24513 | $985.69 |
| EVO R Slip On Muffler | 2007 to 2011 | 09-24522 | $587.82 |
| BALLISTIC SERIES Slip On Muffler | 2012 to 2015 | 08-2392 | $548.77 |
| ECO Slip On Muffler | 2012 to 2015 | 07-2392 | $469.91 |
| EVO R Slip On Muffler | 2012 to 2015 | 09-24532 | $587.82 |
| ECO Slip On Muffler | 2007 to 2011 | 07-1392 | $469.91 |
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