This doesn't sound right
 

Jawing with some guy re: bolt-on gains on the 370ztuner page and I get this:

...

360whp? That can't be right, can it?

I was under the impression that headers didn't add all that much unless you were going with test pipes. So you're telling me if I put stillen ceramic headers on my car I'll get another 40whp over the 321 I have right now (with tune)?

For reference: I have Stillen G3 CAI, FI TDX + FI HFCs + uprev tune and I'm at 321 whp (~380 at the crank).

art pipes are test pipes. Numbers seem unusually high but I have wondered about what kind of gains you might get with shorties + art pipes.

I asked the guy for the dyno graphs. I could see 340whp but 360 is super high for NA. That's like 430 at the crank.

agreed

Well the guy lives in Mexico so maybe he's using the dyno equivalent of the cornballer


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Its a DynaPack im sure and those read super high in comparison to your typical mustang. DynaPack designs hub mounted dynos. The only dyno I know of that reads higher than a dynojet, lol. Don't get too caught up in the numbers. Baseline the car before tuning and walk out of there with concrete results of power gained.

Dynapack

Thanks,
Alex Goodwin
AlexG@motionlabtuning.com