Wally39

Just got back from a dyno run. This is with the stage one performance package from Brenspeed. The package includes a 93 octane race tune with the SCT programmer, Steeda cold air intake, xpipe, and Steeda/Borla axleback mufflers. 425 horses to the rear wheels! I'm happy. For now lol. Oh my air/fuel stayed around 12 at WOT.

Wally39

I don't know why the pic is blurry. It wasn't blurry when I took it. Oh well

tightdogal

Awesome numbers. I want a 5.0

SteedaGus

Awesome numbers! Thanks for using our product!

Nuke

Is there anything else in the performance package that we're missing? The stock 5.0 should dyno in the 350-360 RWHP range. A CAI & tune (the X-pipe and axlebacks are not power adders) on the 5.0 has been shown to add roughly 25-30 RWHP. The numbers don't add up to 425 RWHP... What am I missing (besides roughly 45 RWHP)?

Wally39

On the Brenspeed website they claim 60 horsepower gain from the stage 1 package

SteedaGus

Since when is an X-pipe not a power adder???

Nuke

Even if that's CRANK HP, it sounds a good bit over-ambitious. But then again, most manufacturers claims are.

I'm not calling you a liar; it just doesn't make sense to me. I'd LOVE to know a 5.0 could put down 425 RWHP with just a tune. I'd be on the phone in a heartbeat trying to locate MINE.

05xrunner

Havnt you heard..NOTHING makes HP according to Nuke..even though he doesnt have any of it or used any of it..he will tell you it only makes zero to 5hp on anything

Wally39

Mine is a six speed manual. That could account for a higher number too. And it was 50 degrees outside. Nice cold air