guppychao

06 Carrera S. What would be the max range of HP if all possible mods were made? Stock is 355 hp, 296 torque. How much of an increase 10-20 additional hp?
Exhaust, intake. Anything else?

cosm3os

Sounds about right.

BaileyII

I drive an 05C2S.

mods
Cargraphic mufflers
Cargraphic long tube headers
Cargraphic X-Pipe 200 cell cats
IPD Plenium and GT3 throttle body
Fabspeed Comp intake
APR software flash

To the wheels
325hp
285tq

dyno run was done in the month of April here in North Carolina

guppychao

Is that a typo? Isn’t stock 355 Hp for a s

Helios

Difference between HP to the wheels and to the crank. HP to the wheels is always going to be less.

BaileyII

Stock is 355hp to the crank but the power to the wheels I am making 325hp.

J.Tan

Assuming 15% drivetrain loss, you are at around 382 hp at the crank. That's almost 30hp more over stock, not bad. That's the kind of the hp gain I'm expecting from "full bolt-ons".

bgoetz

did you do it all at once? If not any idea what made the biggest difference?

BaileyII

Car came w/ mufflers. I did APR software soon after buying the car. Then I added the plenum and throttle body. Had the clutch replaced and added the intake and cats. The last mod was the long tube headers which I believe made the biggest difference in tq.

I plan on getting rid of the APR Software at some point and will probably get a custom dyno tune or get another style of software like Fabspeed or something similar.

sandwedge

Don't pretend to have read every single thread here but that's the highest gain I've seen short of adding a supercharger. Don't know what all those mods add up to but a lot of money for 30hp though. I believe the difference between my long gone -09 C4S and my GTS with X-51 is officially 23hp. Slightly noticeable but not anything I would pay $17,000 for which I think was the price for the X-51 kit. I say "was" since it doesn't seem to be available anymore. At least not at Suncoast.

I guess I wasn't the only one not ready to pay $17K for 23hp. Which may have been how the 997 GTS was born. Porsche sat there with all those X-51 parts they couldn't sell or at least was a hard sell. So they created a model that incorporated those parts, charged a higher price over the regular S. Problem solved. They didn't get a $17K premium over the non X-51 regular S model but at least they got a premium and they didn't have to throw away the parts.

Petza914

Without forced induction, I'd say 20-30 HP is the max achievable gain. How much of this comes from just the mods and not the tune is hard to say. I think it takes the tune to really make the most of the mods, otherwise you end up at the lower end of the potential range increase.

A supercharger adds 75-125 HP depending on which one, how it's designed, and what other mods are combined with it. My RUF C2S based 3.8L supercharged car is up around 485 HP with the CAI and full Fabspeed exhaust.

Fabspeed Motorsport

Our tune will gain you around 24 HP! Our performance package that includes, Race headers, Sport Cat X-Pipe, Maxflo side mufflers, and Carbon Fiber CAI will net you 60+ HP, truly some amazing results you can hear and feel!

Petza914

I'd like to see the dyno chart on that 60 HP gain and where it occurs in the RPM range and how flat it is. 60 crank HP maybe - 60 WHP on a NA motor, I'm very skeptical... and I'm a Fabspeed supporter with a lot of your products on my 997 and Cayenne.

Ironman88

And what would be the cost of all of this?

cwheeler

Agreed. I have Fabspeed parts. But to say you're gonna net 60whp is redic.