The 300 bhp 2.5L F4 is an engine originating from the 2006 Subaru Impreza WRX STI.
Games[]
Need for Speed: Heat[]
The 300 hp 2.5L F4 is unlocked in Need for Speed: Heat as an engine swap option once the player reaches REP LVL 19 and can be purchased from the garage for 
69,500.
Even though the engine is taken from the Subaru Impreza WRX STI '06, players are not required to own the donor car to purchase and equip the engine.
It can be upgraded to produce up to 690 hp (507 kW) from its stock 300 hp (221 kW).
Parts[]
| Crankshaft | ECU | Cooling | Exhaust | Turbo | Nitrous |
|---|---|---|---|---|---|
 |
 |
 |
 |
 |
 |
| Stock | Stock | Stock | Stock | Sport | Sport |
Cars[]
The engine can be fitted into four cars:
Need for Speed: Unbound[]
The 300 bhp 2.5L F4 in Need for Speed: Unbound is a sport rated engine available through the "Performance" menu in the garage.
It can be purchased for $69,500 and can be upgraded to produce up to 617 bhp (460 kW) from its stock 300 bhp (224 kW).
Cars[]
The engine can be fitted into eight cars: