# Big Gun 07-11 Yamaha WR 450F EVO R Series Slip On Only Exhaust

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO R is a tried-and-true series that will save weight, add noticeable performance gains and sound tremendously better than stock.

-   Sleek muffler design allows for maximum clearance
-   Removable screen-type spark arrestor included
-   Hard anodized oval shaped aluminum muffler
-   Red powder coated stainless steel end tip
-   TIG welded reinforced muffler bracket(s)
-   1 Year Limited Manufacturer's Warranty
-   Lighter than stock exhaust system
-   Huge horsepower and torque gains
-   304 stainless steel mid pipe
-   Handmade in the USA

This Part Fits:

Year

Make

Model

Submodel

2011

Yamaha

WR450F

Base

## Details

- **Price:** 599.18 CAD
- **Vendor:** Big Gun
- **Type:** Motorcycle Slip-On

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 599.18 CAD | In stock |

## Images

- User 1

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/big-gun-07-11-yamaha-wr-450f-evo-r-series-slip-on-only-exhaust)
> Updated: 2026-08-07