Exhaust Turbo Manifold Flange Plans – 1.8L Ecotec

Exhaust Turbo Manifold Flange Template for 1.8L Ecotec Engine (DXF & AI Download)

This 1.8 Ecotec Exhaust Turbo Manifold Flange Template is the exact design I used to help push my Chevrolet Cruze to a dyno-proven 525 WHP. If you’re building a turbo setup for your GM Ecotec engine and want a solid, reliable foundation—you’re looking at it.

Designed specifically for the GM 1.8L Ecotec platform, this flange is precision-engineered for high-boost applications. You’ll receive DXF and AI vector files, ready for immediate use with your laser cutter, waterjet, or metal fabrication shop. It’s a bolt-on solution without the bolt-on price tag.

No more sketchy forum dimensions. No need to reverse-engineer your own pattern. This flange is port-aligned, bolt-ready, and built for builders who want power without fabrication headaches.

What’s Included:

• ✅ DXF and AI cut files for laser or waterjet use

• ✅ Step-by-step video install guide showing exact placement and orientation

• ✅ Trusted vendor list to send your files off for cutting or CNC work

This flange works with the following Ecotec engines:

• 1.8L Ecotec: F18D4, A18XER, 2H0

• 1.6L Turbo Ecotec: Z16LET, Z16LER, A16LET, A16LER

Compatible platforms include the Chevy Cruze, Chevy Sonic, Saturn Astra, Vauxhall Astra, Corsa, and Insignia with the 1.6 turbo.

This is more than a file—this is a proven component pulled straight from a real-world build. If you’re serious about your Ecotec turbo project, whether it’s for the street, strip, or autocross, this exhaust turbo manifold flange gives you the precision and power-building reliability your engine deserves.

I’ve already battle-tested this part on the street and track. Now it’s your turn to bolt up something that actually works—no guesswork, no compromises.

Visit my YouTube channel to learn more about turning your 1.8 or 1.6L Ecotec engine into a high horsepower, road or track dominating monster!