Engine Performance: Where to Start

Engine performance upgrades focus on improving power delivery, throttle response, and efficiency.

Unlike other systems, engine modifications should be approached carefully, as they can impact reliability if not done correctly.

Intake Systems

Performance intakes improve airflow into the engine.

Benefits include:

Engine tuning recalibrates the engine control unit to optimize fuel, ignition timing, and boost levels.

This is often one of the largest performance gains available for modern turbocharged engines.

Turbocharged engines rely on intercoolers to reduce intake air temperature.

Upgraded intercoolers improve cooling efficiency, allowing more consistent power under heavy load.

High-performance builds may require upgraded fuel pumps or injectors to support increased power.

These upgrades are typically reserved for heavily modified engines.

Most performance builds follow this progression:

The goal is to increase power while maintaining the reliability expected from a high-performance vehicle.