Tillix Split Pulse Merge Exhaust Manifold T3 Flange 1HD 1HZ

Tillix Split Pulse Merge Exhaust Manifold T3 Flange 1HD 1HZ

Material: These Toyota 1H Exhaust manifolds are manufactured from SiMo ductile cast iron.

Purpose: These Tillix exhaust manifolds have been engineered to use a split pulse design that provides a significant improvement over traditional merge or log-type manifolds by keeping the exhaust pulses separated before they enter the turbine housing.

Results: This means there is an increase in individual cylinder scavenging which has the effect of drawing the air out of the cylinder’s quicker, and directing the exhaust energy into the turbine of your turbocharger. This effect results in increased torque, and power across the RPM range, as well as a better response from the turbocharger.

Designed For: The port design is square, to work with the 1HD-FT & 1HD-FTE. But will also bolt on and work flawlessly with the 1HZ and 1HD-T engines.

Flange Suitability: Perfect to couple with a T3 based turbocharger while turbocharging a naturally aspirated 1HZ. If you have a CT25 turbo flange please take a look at our 1HZ Exhaust Manifold with CT26 flange instead below.

The exhaust manifold will come as a raw finished product, it is not painted. It comes fitted with an external wastegate port.

1HZ Owners, read this!

A huge benefit to this manifold is it’s one piece cast design. You may be looking at simply turbocharging your 1HZ, but someone has put a set of extractors on it at some point in its life. Which means you more than likely don’t have the rear piece of the exhaust manifold to join into the front ‘turbo’ section of a 1HD manifold, we have placed an example of this below.