APR S4 Stage 3 Dyno results!
 

We dynoed a customers APR stage 3 S4 on 100 octane on Friday. The car had the full stage 3 kit and made 307 wheel horsepower on our Dyno Dynamics dyno. The car was running 22 psi and a 12.5:1 A/F with the 100 octane map. Very impressive car and what I would expect a 400 hp car should make on our dyno. The customer was very happy with his dyno results. We also dynoed an E46 M3 which made 247 wheel horsepower, which seemed a little low? Have a great weekend guys.

Brett Payne
Vishnu Performance Systems.

Wow, respect from Vishnu ... nice to see more well-sorted K04 cars out there

Nice! :)

hmm Thomas?

what year car? m-box?

Ok, but how 'bout the street gas #s? Shiv has a good point when he says that
 

the harder tuning challenge is on pump gas. But still, that's some good news!

Agreed -- I want to see 400+ on 91 Octane for us SoCal'ers

Sportec.

What does a Stage II or stock S4 pull on that dyno?

Re: Ok, but how 'bout the street gas #s? Shiv has a good point when he says that
 

We did not dyno the car on pump gas. Obviously a 12.5:1 A/F on 91 octane and 22 psi would probably not be a great idea. The car is a 2001 model and made a consistent 303-307 wheel horsepower with long cooldowns. With a back to back run the car dropped to 250 wheel horsepower and then even with a 4 minute cooldown could not make more than 270 wheel horsepower. Those little turbos are running pretty hot at 22 psi!

Brett.