I have a 1999 baja outlaw 25' with a 454 mag MPI.
It has all new fuel pump, new injectors and complete new tune up.
I feel like the boat should be faster than it is, I have a 20 pitch prop on it and it comes out of water decent with trim tabs down but tops out at 56-58mph on gps with tabs up and trimmed up good with 5 people and a half a tank of fuel... The rpm is 4600... Nothing sounds wrong or anything I just expected more MPH out of it. I had a 23 pitch mirage but that resulted in a total fail! Would not hardly even plain out, labored the motor hard and it would only turn 4200 rpm at 52mph trimmed ALL THE WAY UP. So I'm looking for advice and or clarification. Maybe that's all this boat should run??

I was going to check the timing but I started to read up on it that you can't just throw a light on it and check it that way because of the computer will compensate??

Last resort will be forced induction but I'd like to save that subject of discussion for later after some input on this.
Thanks

try a 21 on it. on my 272 with a 330hp carbed and a 21 mirage its ran 53 at about 4600-4800

I'm getting 58 out of a 20 pitch right now. I'm wanting 65mph with a good holeshot still

You also had 5 people and 40gal of fuel... Put a 21 on it run with just you and a buddy light on fuel. Get a chop under the boat and watch your trim. Low 60's should be there and that's where you will be with that boat. Maybe 65-67 with a brand new motor and just you in the boat.

Motor only has 268 hours on it, Would a 21 be too much with 4-6 people? Because I don't just go out with one person often and no fuel for a speed run, I want to be able to run it with good amount of fuel and full boat.

You’re not going to gain 7+mph without engine modifications. You might get to 60mph with a labbed prop and a full load. Talk to BBlades.

Speed is only a question of money. How fast do you want to go?

Looking into the pro charger M-1 kit, says I should gain some good numbers on mph and safe at 5psi on a stock motor. If it'll get me 75 I'd be happy. It claims up to 81mph so we will see I guess

Remember then you need hydraulic steering, upgraded tabs, and a stronger outdrive.

My outlaw already has hydraulic steering, K plane hydraulic trim tabs and a bravo one out drive. All is good there

Your mostly safe then, but an XR or better outdrive will prevent drive failures. Seatow comes in handy with a single blower engine.