Is it possible to stay normally aspirated and get 400 HP out of an '08/'09 Bullitt? Headers, tune, exhaust, etc?

 

don't think so. you can get close at the crank with cams, exhaust, CAI, tune, underdrive pullys. I believe but not RWHP. not without stroking

 

400 RWHP?
If you could do it...
I assume you would need enough mods to the engine that it might be cheaper to just put a blower on anyway.

 

Stroker kit, higher compression, cams, ported heads could get you to 400 HP

 

it's possible, but you need to dig into the engine.
I've seen 365hp to the ground with heads/cams + full bolt on's

 

I've researched this to death because I wondered the same thing. It is much cheaper to go the forced induction route.

 

N/A = Is all motor hp...
F/I = Camaro killer....

 

When I tripped the 325 RWHP My Bullitt turned into a different beast!!!! I am running 340rwhp/325rwtq now. The only mod's Im thinking about the CMDP's to try to get rid of the "pinging".
400 rwhp would be cool, But with 325 rwhp and more traction become an issue!!!

 

A bolt on 3 valve can kill a new camaro, it's been documented and repeated. lol

 

I don't mind getting my A$$ handed to me by a Challenge, But a Camaro "Not going to happen"

 

You know challengers are slower than the camaro's right? lol

 

ya , But they are cool!!!!

 

I agree... go with the boost.. I'm getting 450 RWHP w/ Kenne Bell w/10# boost...that comes out to about 520 BHP at the flywheel..