The Thumper Fab F4.2 Audio Roof for your Can-Am Defender MAX featuring our super strong HD Aluminum roof with lightweight corrosion protection, and it's still STRONG ENOUGH TO STAND ON! CAUTION: THE F4.2 IS THE LOUDEST AUDIO ROOF AVAILABLE FOR YOUR DEFENDER. USE EXTREME CAUTION IN THE LIMITED SEALED CAB AS THIS ROOF IS EXTREMELY LOUD!! 

The All-NEW F-Series Audio Roofs. After years of building the best audio and utility roofs on the market, we set out to shake up the industry even more! Introducing the F-Series roofs from Thumper Fab! The new, uncompromising design packs in more premium features that you asked for on your Can-Am Defender MAX Audio Roofs! We started with a 3D Scan of the vehicle and engineered the F-Series to fit and look amazing! No other Defender Roof on the market can boast this many features and look this good doing it.  

When there's a THUMP in the night...it might just be you bumpin' down the trail with our Rockford Fosgate F4.2 Audio Package featuring RGB marine grade speakers and smartphone compatible PMX Receiver. 

Light up the night! Experience 360° of super bright LED's with a 40" quad row LED light bar in front, 3" quad row LED lights on the sides and two 6” LED lights on the rear. The New F-Series roofs pack in even more lighting!  

Color You Can Count On!  
All Thumper Fab products are powder coated in-house which guarantees a flawless finish before your product leaves our warehouse. Custom color? We've got ya covered. We can also match factory powder colors. Custom Color is available for the side and rear cargo rails when ordered.  

ENGINEERED TO BE THE BEST 
We set out to design the strongest and lightest roof packed with features for your Can-Am Defender CREW. The F-Series design is TOUGH. Tough enough to pile all your gear on the roof rack and even tough enough to stand on! That should make filling the deer feeder easier! Bye Bye Ladder!