It's cheap put for people with some extra dough and want something bullet proof sleeves are the way to go

 

Block Guards is really not worth the trouble. Made my car overheated from time to time. So i finally had it and took it out. Just get it resleeved. Or if you are on a budget just block fill it.

Or do what Jeff did and just Block Post it. https://www.homemadeturbo.com/tech_p...block_posting/ Cheap and effective way to run more boost without worrying the sleeve will fail on you.