FLOWTECH Block Hugger headers are ideal for hot rods where fit and finish is really important. Block Huggers make performance and style easy for engine swaps, and with our new Hugger Toobs you can hook up to an existing exhaust system with ease.
Specifications:
- Header style: Block Hugger
- Primary tube diameter: 1-3/4 in
- Collector diameter: 2.50 in
- Flange: 3-bolt
- Material: Mild Steel
- Engine: GM
- Mounting hardware and gaskets included
- CARB (California) emissions compliant: No
- Part number: 11030FLT
FAQ
What does the Flowtech 11030FLT header fit?
It is a universal GM header sized 1-3/4in x 2.50in. Confirm clearance and primary tube/collector size for your chassis and engine before ordering.
Are mounting hardware and gaskets included?
Yes. Flowtech supplies the mounting hardware and header gaskets for installation.
Is this header legal in California?
Flowtech lists this part as not CARB (California) emissions compliant. Confirm your local emissions requirements before purchase.

