Evolution Performance Shelby GT500 Stage 4 - JLT Plastic Big Air - 2007-2009 Shelby GT500

Starting at: $4,499.00

JLT Plastic Big Air Intake System, Evolution Performance, Inc. Custom Tuned SCT X3, 2.6” Supercharger Pulley, Auxiliary Idler Assembly, 10% Overdrive Lower Pulley, Ford Racing Dual 65mm Throttle Body, 1 7/8 Stainless Steel Long Tube Headers with Catted X-Pipe, Magnaflow 3” Stainless Steel Catback Exhaust System, 10-Rib Supercharger Belt, and (8) NGK TR6 Spark Plugs!

Gain Up To 231 Rear Wheel Horsepower and 243 Rear Wheel Torque with this Package!

JLT Plastic Big Air Intake System
All new Textured Big Air Intake for the 2007-2009 GT500.

we did something completely different for us and incorporated the MAF housing into the tube. This made for a much smoother interior without any transitions, steps or couplers to upset the air flow. Another benefit is the over all look is just plain awesome!

It’s a full 123mm ID at the MAF area and fits under the stock strut tower bar. It also has a new larger heat shield with two mounting points and a weather strip that seals to the hood. With a huge 5” opening on the tube we needed a huge filter. So we got with S&B and gave them some measurements. We love the tapered flange design and Powerstack filtered ends of their filters and ended up with a monster 5x9” filter, that’s a full 8.25” across at the base and 5.5” at the top. The custom heat shield for the 2007-2009 GT500 seals to the hood.

2.6” Supercharger Pulley (4lbs Of Boost Over Stock)
Our 2.6" Stock Look Supercharger Pulley for the 2007-2009 Shelby GT500 will increase boost 4PSI over the stock boost.

Auxiliary Idler Assembly
A new performance product for the 2007-2009 Shelby GT500. This auxiliary Idler Assembly is designed to provide maximum belt contact of the supercharger pulley, thereby decreasing the amount of belt slippage in high boost situations. Features All components are CNC machined from 6061 T-6 aluminum for accuracy and detail. Billet Idler Pulley is "Hard Coat" anodized for superior belt wear protection and bearing bore hardness. Same brand and grade, sealed for life bearing as used in the OEM Idler Pulley. This auxiliary idler is needed when using a smaller supercharger pulley on your Shelby. This will allow you to use the stock belt when using a smaller supercharger pulley. Complete, easy to follow instructions and hardware included. NO MODIFICATIONS OR ALTERATIONS REQUIRED.

Billet Aluminum SFI Approved 10% Overdrive Lower Harmonic Balancer
The new Harmonic Balancer utilizes an aluminum case to cut down on the total weight, (12lbs Lighter then 2007 Shelby GT500 Balancer) as well as the flywheel weight of the dampener. The dampener is degreed a full 360 degrees and degreed every 2 degrees from 30 to 50 degrees. This lower pulley adds 4lbs of Boost to your setup and is SFI SPEC 18.1 Approved. Also included is a new dampener bolt and 10-Rib Supercharger Belt.

Ford Racing Dual 65mm Throttle Body
•Fits in factory location on 2007-2009 SVT Mustang
•Twin 65mm bore (stock SVT Mustang is twin 60mm bore)
•Precision machined from billet aluminum to ensure consistency
•Polished finish with machined Ford Racing logo
•Tested to Ford original equipment specifications for cold and hot weather
•Fully assembled, complete with throttle position sensor and actuator motor, ready to bolt on!
•Uses OE gears to prevent gear bind and wear common with other aftermarket throttle bodies
•Does not include calibration, calibration may be required in some applications

An **Exclusive** Evolution Performance, Inc. "Drive By Wire" calibration is included.

1 7/8 Stainless Steel Long Tube Headers with Catted X-Pipe
The Headers are Tig Welded 304 Stainless Steel 1 7/8 Headers with 3/8" thick laser cut flanges with oval exhaust ports that are an exact match to the factory cylinder head. The collectors are merge style and incorporate scavenger spikes.

X-Pipes include 200 Cell High Flow Metallic Race Catalytic Convertors or can be ordered without Cats.

Magnaflow 3” Stainless Steel Catback Exhaust System
Magnaflow Stainless Steel 3”Catback system for the 2007-2009 Shelby GT500 features mandrel bent 3" tubing with rear exit 4" Polished Stainless Steel Tips.

Magnaflow Mustang systems feature fast-flowing stainless steel tubing and straight-through stainless steel Magnaflow performance mufflers and polished tips.

Hear and feel the difference of wide open performance by Magnaflow, straight through perforated core mufflers giving you zero restriction performance, with the deep smooth deep tone you crave.

NGK TR6 Spark Plugs
Replace your stock plugs with these NGK TR6 Plugs, their one step colder than stock. Must be used with Shelby GT500's running more than stock boost and need to be Gapped at .030!

Evolution Performance, Inc. Custom Tuned SCT X3
Brand New Evolution Performance Dyno, Street and Track Proven Custom Tuned SCT X3 for the JLT Big Air Intake and any other modifications you may have done to your 2007-2009 Shelby GT500.

The Tunes that come with this package are based off the one used to propel our GT500 to a smoking 8.86 @ 157MPH pass in the 1/4 Mile.

Pick from 91 Octane, 92 Octane, 93 Octane, or 100 Octane Xtreme Race.

All our tunes are developed on our in house Dyno and have thousands of hours of research and development on the 2007-2009 Shelby GT500! We (Evolution Performance, Inc.) had the first GT500 In The 11's, 10's, 9's, 8's, 7's and is the Fastest Shelby GT500 In The World! If you want the best, order from us!


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  • Model: EVO-GT500-Stage4-JLT-PL

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