2007-2009 Shelby GT500- Bolt-On Build-Ups: Stage 2

We build a 2007-2009 Shelby GT500 Mustang into a street machine with over 600 horsepower to the ground! Watch us bolt-on crazy power in 3 stages at www.americanmus...
For Stage 2 of our Power Pack Bolt-On Build-Up we installed:
Metco Motorsports Supercharger Pulley - 2.60in (07-12 GT500) - www.americanmus...
NGK V-Power Spark Plugs - Heat Range 6 (03-04 Cobra; 07-14 GT500) - www.americanmus...
Metco Motorsports Auxiliary Idler Pulley Kit - Double Bearing (07-14 GT500) - www.americanmus...
After we bolted-on these mods, it was time to hit the dyno. The dyno results on our Dynojet 224xLC came in at over 548 horsepower and 545 ft. lbs. of torque to the rear tires. These are some serious gain! This was a peak gain of 40 horsepower and gains of 66 horsepower and 71 ft. lbs. of torque in the curve. The guys over at Bama Performance loaded up their custom tunes via SCT X3 or X4 custom tuner and then hit the dyno for our dyno results!
What do you think we have up our sleeve in Stage 3? Stop back tomorrow and find out! COMMENT below and tell us what you want to see us add next...

[@djames1457]

Come on we wanna see an 03-04 cobra build!!!

[@Gatorsrok]

hell no we dont

[@Gatorsrok]

;)

[@djames1457]

Fine by me, I'll just go drive mine.

[@09shelby15]

No we don't that car sucks

[@mustang8206]

​@@09shelby15 🤡🤡

[@great_white_5oh]

Can't wait to see how much horsepower is gonna be added to the other GT500s!

[@dahaka369killer]

03-04 Cobra build!!!!

[@Gallagur-xz6fr]

Where's the part where you take out an drive it?

[@immortalson302]

My Dream Car One Day I'll Get Their

[@716killakev]

*there

[@ElijahWash]

Termi build now

[@sSkillaz336]

I want to see an 03-04 cobra now lol

[@jamdc2000]

great!!! now race it against the coyote or the grabber bost, that would be awesome!

[@americanmuscle]

Watch Stage 2 of our 07-09 #GT500 Bolt-On Build-Up Series! +1 For this #shelby 

[@Xdev1lG00D]

AmericanMuscle.com Do I need a tune when I add the Pulley Mods by them selves. For example, I have a full stock 07' gt500 and I just want to add the Pulley mods. Is it possible ?

[@bubbachilders99]

Well what the fuck did they gap the spark plugs too

[@redfire281GT]

Makes me want an 07-09 gt500 even more. Have a 3 valve 2006 GT but i need more hp

[@Xd-lh1ko]

U got 260 hp to the wheels

[@redfire281GT]

More like 245 ish rwhp cause im an auto

[@Xd-lh1ko]

@@redfire281GT might wanna upgrade 2 a 4 valve thats were the horsepower shines man

[@redfire281GT]

Ya man that’s why i want an 07-09 gt500. Pretty cheap nowadays and it has the 4v 5.4 with a blower from the factory

[@Xd-lh1ko]

@@redfire281GT the most budget 4valves i seen mustang i seen are the mach 1 99-01 cobras and 11-12 5.0

[@edireyes4834]

Hello am are you guys thinking of making 2011 v6 11's go to 10's? Thank you guys for the vids

[@jasg1240]

Do a terminator cobra build

[@andrenj1970]

beautiful

[@detmer87]

Why did you stop the dyno test at 5900rpm?

[@ChrisDrummondAW]

So I have the stage 2 build for my GT500 but I don't have a decent set of tires on yet. Next year i'm going to get a good set. What's a typical 0-60 and quarter mile time for this with radials?

[@MRSLICKQ]

Let's see a ford lightning get bolts on parts!!!

[@coltoncaskey5781]

still waiting

[@TheUsmc0802]

wow I thought there'd be a bigger jump in HP with 3extra pounds of boost.

[@culayta]

What did you gap the spark plugs at?

[@msladek1385]

As far as handling performance, how much better is the 10-14 platform over these? Would it be better to get the 2010-2012 vs the 07-09?

[@mattseufert]

Don't know why you would want to put saleen s281 3v style wheels on a shelby gt500, looks out of place & horrible imo.

[@MrMillionaire7]

What size are the rims on this car?

[@americanmuscle]

+Dylan Eckert Those are 20" Saleen Wheels! Hope this helps :) - Will

[@ivananchondo7836]

about how much money was spent on all of these mods?

[@ivananchondo7836]

it would've been nice also to show the speed differences from beginning to end. 0-60 and 1/4 mile times.

[@sdfasdfasdf147]

Around 1000

[@waleedshaheen4234]

Hi are there disadvantage to replace super charge pully from stuck pully to 2.6 inches for long periods on the engine .

[@americanmuscle]

Waleed Shaheen Absolutely not. Louder Supercharger, more boost and more power :). -Dan

[@MrRobbyMercer]

we need to see a power pack for the 2010 v6

[@The07gt]

Get rid of those ugly ass rims.