Fit For 987 997 99710603702 One Intercooler Tank. By significantly lowering the temperature of air compressed by the turbocharger, the intercooler increases its density, allowing more oxygen to enter the cylinders for combustion. The presence of an intercooler effectively prevents engine knocking or detonation, which safeguards critical internal components from potential damage under high boost. Supports higher boost pressures by keeping intake air temperatures within an optimal operating range. Reduces exhaust gas temperature by cooling the air-fuel mixture before the combustion event., Manufacturer: AWEUDNHI