General Motors Atlas Vortec 4200 T4 Exhaust Manifold sr A second cast saddled mount

A second cast saddled mount

Designed for those wanting to reduce your under bonnet temps

5" V-Band Flange + Clamp

We have spent time optimizing the transitions from the OEM square port to the 36mm ID runners

Honda EK Civic

General Motors Atlas Vortec 4200 T4 Exhaust Manifold sr A second cast saddled mountAtlas Vortec 4200 T4 with divided single 50mm wastegate! Not one person asked for this BUT I think this engine has not received the attention it deserves. We have been working with @nivlac57 and @motionautotv. The 4200 Straight 6 from @generalmotors was released in a Blazer, but the ability for this engine to hold itself together at now over 700whp through an auto has been documented by Calvin over at the Nivlac57 YouTube Channel. We have designed