The only section that needs insulators is whats in the pic. When i had my 450 i added extra over the oem insulators. The oem ones should b white, mine were. What i added on top of oem ones is the same foam insulated material thats on your home a/c lines comming off the unit. Helped alot
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09 700 4seater, Nflow remanned motor with reverse upgrade, web cam, boared throttle body, duel muzzys with spark arrestors, MSDfuel controller. JBS Extreme2 sheave, SDR full radius cage, SDR doors, SDR long travel with summer brothers axles, Fox remote resi shocks with clickers on rears.