400 WHP Build with Headroom – Smart or Pointless?

[beaterfl5]

Hi all,

I currently have an upgraded intercooler, inlet, downpipe, exhaust, and a Stage 2 Phearable tune. I’ve also got a Kuro+, Hondata flex fuel kit, and Hondata injectors on the way.

Out of curiosity—would it be possible to limit the HP to the low 400s instead of pushing everything to the max? My goal is to prioritize reliability and longevity, and I feel like 400 WHP is more than enough for a 4-cylinder engine. My thinking is that having all the supporting mods but running them conservatively would help preserve the engine and drivetrain long-term.

This is my first "tuner" car, so it's all new to me so forgive me if I sound like idk what i'm talking about haha. Would love to hear others’ thoughts or experiences with a similar setup.

Thanks!

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[FL5alive]

Cancel the CanFlex and injectors and get the smaller Kuro. You can do low 400s on 93 with the stock fuel system all day safely with that set up and save a little money.

 

[nattypiso]

You can reach 400whp on stock turbo if you purchase a modified High Pressure Fuel Line. OEM line is pretty restrictive.. once the line is opened up, it will flow more without pulsing issues. Less stress for your stock fuel system.

If you’re wanting to just stick with low 400’s, I’d just go with CANFlex (I think E25-E30 is the sweet spot for your stock fuel system) and a modified HPFL. You’re not going to get your moneys worth out of a Kuro/MHI stage 2 honestly.

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