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I TRADED MY TSX IN AND NEVER GOT TO INSTALL THE HONDATA HEATSHIELD, STILL WRAPPED IN PLASTIC PACKAGE I BOUGHT THIS FOR THE 04 TSX..I AM NOT SURE ABOUT THE OTHER YEARS IF ACURA MADE ANY DIFFERENCES IN THE INTAKE MANIFOLD HERES THE HONDATA WRITEUP:

$40.00 SHIPPING INCLUDED IN PRICE TO ANY LOCATION IN USA OR CANADA

I HAVE PAYPAL

The Heatshield is a replacement intake manifold gasket made from special high temperature plastic, designed to insulate the intake manifold from the cylinder head.

Hondata have developed a special high temperature insulating gasket which replaces the stock intake gasket. This and bypassing several heat sources significantly reduces the transfer of heat from the head to the intake and incoming air giving you up to 5% more power.

Turbocharged cars often use an aluminum intercooler to cool the air compressed by the turbo. The intake manifold is also made of aluminum but because it is heated by the head from combustion and coolant, works in reverse to an intercooler by heating the intake air by as much as 50° C.

Fact: For every 3.3 °C (5° F) rise in intake temperature, air density drops 1%. The hotter the air, the less fuel the computer injects to compensate for reduced oxygen. HondaLogger datalogging software has enabled us to measure intake air temperature under varied driving conditions.

Around town, testing has shown an average drop of around 10 degrees C which is good for around 3 percent power increase. Remember though that 3 percent power increase is difficult to feel. You'd feel a greater change in performance getting rid of that passenger. In certain conditions a 30° C drop has been measured.

The Honda manifold is heated in up to 5 places. From the head, the interior heating takeoff hose, the cold idle valve, the idle control valve and the throttle body heater. The Heatshield gasket kit contains an insulating gasket, and installation instructions. A race version only version with the thermostat bypass blocked is also available.