GPR Trioval Slip-On Exhaust for the Yamaha YZ450F 2003-2005
The GPR Trioval slip-on fits the 2003-2005 Yamaha YZ450F and replaces the stock silencer (muffler). The Trioval takes the classic ovoid drop shape in hand-polished 304 stainless steel. GPR lists the Trioval as within the EPA emissions limit. The kit comes with a removable DB killer and the link pipe.
Benefits
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Kit contents. The Trioval package contains the link pipe, brackets and fitting accessories, and the YZ450F does not need any structural modifications.
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Removable DB killer. GPR supplies a DB killer (baffle) that the rider can remove.
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Hand-polished stainless steel. The body and the end caps share the same polished stainless steel finish.
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Italian manufacturing. The Trioval is Italian made and has a 2-year manufacturer warranty from GPR.
Technical Details
Exhaust
- Kit type: Slip-on, link pipe supplied
- Silencer series: Trioval
- Removable DB killer: Yes
- Emissions classification: EPA compliant
- Weight: 2.5 kg (5.51 lbs)
Construction
- Silencer body: Hand-polished 304 stainless steel
- Silencer shape: Oval
- Dimensions: 100 mm x 130 mm (3.9 in x 5.1 in)
- Overall length: 400 mm (15.7 in)
- Body color: Polished stainless steel
- End cap color: Polished stainless steel
Fitment
| Make |
Model |
Year |
Notes |
| Yamaha |
YZ450F |
2003, 2004, 2005 |
Slip-on with removable DB killer |
Installation
The installation does not need any structural changes to the YZ450F.
Package contents: silencer, removable DB killer, link pipe, brackets and fittings.
GPR homologated the Trioval for noise. Riders should check whether their country requires a catalyst.
Common Questions
Is the GPR Trioval slip-on within the EPA emissions limit?
Yes. The GPR Trioval slip-on meets the EPA emissions limit, as GPR states. GPR holds the homologation for noise. The local catalyst rules still apply to the GPR Trioval slip-on.
Which Yamaha YZ450F model years fit the Trioval?
Fitment for the Trioval covers the Yamaha YZ450F from 2003 to 2005. The table shows the individual years.
Does the kit include the link pipe?
Yes. The package includes the link pipe together with its brackets and accessories.
What warranty covers the GPR Trioval slip-on?
The GPR Trioval slip-on carries a 2-year international warranty.
Why Choose Magma Powersports
- Authorized GPR dealer
- Built in Italy, covered by GPR's 2-year manufacturer warranty
- Free shipping worldwide
- Dedicated fitment for the Yamaha YZ450F
