Magnaflow C6 S6 header / exhaust manifold system?

Hello All,

Quick search on google for C6 S6 headers or exhaust manifold brings up a magnaflow product, broken up into 4 parts and part numbers for a manifold system. Anyone have any experience with this? Is it a true (engine out) bolt on?

https://www.autoanything.com/exhausts-mufflers/61A4168A0A0.aspx
Front driver side manifold unit#51183
rear driver side manifold unit# 51193
Front Passenger side manifold unit#51180
Rear passenger side manifold unit# 51181