UTV Stereo Can-Am Defender HD11 BRP GO Dual Subwoofer Stage 7 Stereo Kit RZR XP 4 TURBO They’re made out of 4340

They’re made out of 4340 chromoly steel and heat treated for enhanced longevity and strength—our axles are way stronger than OEM

No tuning needed

then an "AMP CORE" kit is needed

Replace no later than 2 years from date on SFI tag (if applicable)

And with a 2” receiver hitch mounted

UTV Stereo Can-Am Defender HD11 BRP GO Dual Subwoofer Stage 7 Stereo Kit RZR XP 4 TURBO They’re made out of 4340UTV Stereo Can Am Defender HD11 BRP GO Dual Subwoofer Stage 7 Stereo Kit Specifications: Mounting Depth: 7. 3" Mounting Diameter: 9. 2" Port Length: 12" Port Width: 3" Port Tuned to: 37Hz Airspace: 1. 25 ft Kit Includes: 1x Front Passenger Side 10" Subwoofer Enclosure 1x Rear Passenger Side 10" Subwoofer Enclosure 4x Signature Series 6. 5" V2 Speakers 2x UTV Stereo Elite Series 10" Subwoofers Dual 1 1x Elite Series 1000W 4 Channel Amplifier 1x Elite