Excess Injectors

From weekend projects to full blown race builds, every dream starts with a plan and the right parts.

Fuel your performance journey with Excess Injectors.

Turbo, supercharger, nitrous. Whatever your power adder, we’ve got injectors that can handle it.

💨 When airflow goes up, we make sure fuel keeps pace.

Excess Injectors - USA's #1 High Performance Fuel Injectors Excess Injector Specialists for over 45 years in high-performance EFI Fuel Injector Solutions. Revolutionized flow testing & data matching. Shop online!

One injector out of sync can ruin a tune.
That’s why every Excess Injector is matched to exact flow rates before leaving the bench.
Perfect balance. Perfect performance.