how much hp do you think this will make
Cold Air Kit 259.95
Underdrive Pulleys 139.95
Dragon Plenum 209.95
Hi-Flow XPipe 399.95
Steeda GT Exhaust 549.95
totle $1559.75

Steeda says it will Typically Adds 30 - 35 rwhp

 

Well, I wouldnt say 35 hp, but youll prolly be around 250-255 rwhp. Id skip on the Cold air though, unless you just want it for looks. Also, you can get much better exhaust for 550 bucks, and Im not saying its bad, but its pricey for some borla mufflers with Steedas name on them. Just my two cents...

 

ya i got what ya are saying i thought that was rong and could not be right + all you are paying fore is the name!

 

You could shop around and buy all those mods much cheaper. 30 HP is definetly possible with those mods.

 

Depending on what X pipe and cat back you use, I think 30 - 35 is believable.

 

NO 35 is week Steeda GT Stainless Steel Cat-Back Exhaust Kit Add 10-12 horspower Hi-Flo Catalytic Converter X-Pipes Stock Mustangs will pick up about 8-14hp. Modified cars can pick up 20hp or more Steeda GT High-Flow Air Kit 7-10 HP over a stock intake on Underdrive Pulleys adds 8-10 horses

 

I gained 30 rwhp from
Steeda X pipe w/cats
Steeda catback
Steeda pullies
Steeda timing adjuster at 14 running 93 octane
C&L plenum
Accufab 75mm throttle body.
Steeda's exhaust is made by Borla, 100% stainless steel, lifetime warranty. You get what you pay for. Borla makes some of the best quality and best performing exhaust systems out there. Do not expect the hp gains that any of the manufacturers claim.They exaggerate the gains.

 

With those mods i can see 30rwh easy.

 

The numbers they advertise don't mean much when put together.

Each is advertised at that mods "peak" gain, which may or may not be at the same RPM as another mod. Combined, they strengthen your powerband. Which is better than peak power anyway.