RPM Can-Am Defender HD11 Sport Muffler & Mid-Pipe Exhaust (2025–2027)

More power and a better sound for your Defender HD11, with no cutting.

The stock exhaust on the Can-Am Defender HD11 is built to be quiet and cheap to make, not to flow well. RPM Powersports' Sport Muffler & Mid-Pipe system replaces the factory muffler and mid-pipe with larger-diameter TIG-welded 304 stainless tubing. Exhaust leaves the engine faster, so you get more power and lower exhaust temperatures. It's also lighter than the stock system.

Why HD11 Owners Upgrade

• 3–5 HP gain on a stock machine. Gains are bigger on a tuned HD11. A tune is optional but recommended to get the most out of it.
• Deeper tone without being loud. About 1 dB over stock at idle and about 2.5 dB over stock at 3,000–5,000 RPM, with no annoying drone on long rides or work days.
• Runs cooler. Lower exhaust gas temperatures and less heat soaking into the cargo bed.
• Built to last. 304 stainless steel with TIG-welded joints, made to handle mud, water and daily work.

Bolt-On Install

Uses every factory mounting point and the stock hardware, with no cutting or modifications. The factory mid-pipe heat shields can be reused with the new rivets included, or left off.

Replaces OEM Part Numbers

• Muffler: 707603824
• Mid-pipe: 707603434

What's in the Box

• Sport muffler and mid-pipe assembly
• Donut gasket(s)
• New rivets for the mid-pipe heat shields

Fitment

• 2025–2027 Can-Am Defender HD11 (all trims)
• 2025–2027 Can-Am Defender HD11 MAX (all trims)

Part #: EKT-CA-34-PL | Installation Instructions (PDF)

This Product Fits The Following Models:

For Specific Model Fitment, See Product Description.

• •Defender
• •Defender HD-11