By filling out this worksheet, you will help us start a dialog with you regarding your current setup, goals, and the perfect piece to help you experience the full potential of your build.

Please keep in mind that we are staying focused on DSM/Evo/4G63

For more information on the quality of our products: What to Expect

We have temporarily closed our books to new orders for manifolds/hot parts, downpipes, and O2 housings while we put our entire focus on fulfilling current orders.

Smaller items (oil drain kits, shift lever/bracket, alternator adapters, etc.) are still in stock and often shipped the next business day.
updated: 02/16/2026