Perrin Performance Now Available at RallySport Direct!!!

You guys have been asking for it, well RallySport Direct is proud to announce that Perrin Performance is now available and ready to ship at RallySportDirect.com!

PERRIN Performance manufactures some of the finest Subaru, Evo, and MINI Cooper products on the market today. PERRIN’S full line of products hits every aspect of performance modification for your car. From suspension to engine performance, PERRIN makes the products which will boost your performance to the next level.

 

CLICK HERE FOR THE PERRIN PERFORMANCE CATALOG AT RALLYSPORTDIRECT.COM

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RallySport Direct GTX3076 2011 STi

Event: Dyno Tune/ Product Testing
Location: ZipTie Dynoworks, Salt Lake City Utah.
Ambient Temp: 75-80F
Ambient Pressure 12.7psi/ 86kPA
Elevation: 4600ft
Weather: Sunny

Car: 2011 STi
Tuner: Christian of Cobb Tuning
Dyno Info: Mustang
Transmission: 6spd
Gear: 4th
Peak HP at RPM 91 Octane : 335WHP @ 5600RPM. Corrected
Peak Torque at RPM 91 Octane: 337WTQ @ 4600RPM Corrected

Peak HP at RPM 104 Octane: 382WHP @ 5600RPM. Corrected
Peak Torque at RPM 104 Octane: 382WTQ @ 4600RPM Corrected

Baseline hp/tq for a stock on same dyno: Stg2 2011 STi 262HP and 286TQ.
Target Boost: S# on Pump Gas 22PSi, S# on Race Gas 25PSi
Target AFR: 10.8-11.4 depending on the fuel
Fuel: 91octane with 10% ethanol, Sunoco GT104 unleaded.

 

Engine/Power Modifications:

Cobb Tuning AccessPort
Cobb Tuning Down Pipe
Cobb Tuning Heat Shield
Invidia Q300 Ti Tip Catback
Samco Radiator Hose Kit
Koyo Aluminum Racing Radiator
Omni Power 4 Bar MAP Sensor
Injector Dynamic 1000cc TopFeed Injectors
DeatschWerks 300lph Fuel Pump
Process West Top Mount Intercooler
Tomei Fuel Pressure Regulator Type-S
Tomei Fuel Pressure Gauge
ATP GTX3076 Turbo
Tomei Expreme Unequal Length Exhaust Manifold
GrimmSpeed Air Oil Separator
GrimmSpeed Manual Boost Controller
GrimmSpeed Electronic Boost Controller
GrimmSpeed External Waste Gate Bracket
AMR Performance Cast Turbo Inlet
GTSpec 44mm V-Band 3-Bolt External Wastegate Uppipe
TurboSmart Duel Port Blow Off Valve
Turbosmart Hyper-Gate45 Wastegate
Prova Radiator Cap

Drivetrain:

MODE RACING Double Adjustable Short Shifter
Kartboy Shifter Bushings (Front/Rear)
PST Carbon Fiber Driveshaft

 

91 Octane Vs Stage 2

104 Vs Stage 2

GT104 S# vs 91 S vs 91S#

Conclusion from our Test:
Starting off from where we left off on our 2011 STi sedan.
After finishing product testing on the Tomei Arms M7960 it was time to test out another turbo. We chose to go with the brand new state of the art GTX billet wheel technology from Garrett, and use the ATP GTX3076R Stock location turbo.

The goal for this stage of the build was to really maximize and fully utilize the stock components along with having a very fun and efficient car that was realistic for someone to drive on the street, track or drag. This turbo would be the perfect match for anyone who is trying to get the most out of a stock motor, have quick response, and have one wicked car.

To put everything out on the table, we really feel as though we were maximizing several key components on the car, the motor, and clutch is still 100% stock. The Process West intercooler was getting close to its peak efficiency, the turbo was running at 25Psi, and given the octane of fuel we were getting close to the peak stability point of both fuels that where being used. The amazing thing is just how fast this turbo spools, looking at both race and pump gas you can see that compared to the stock VF48 the increase in lag is quite minimal for the huge gain in performance. Also given the altitude of 4200ft this turbo, compared to sea level it would be able to easily produce over 400WHP at similar conditions due to the increased air density.

The power delivery on the vehicle is very smooth and predictable, given the high efficiency TMIC the lag is kept to a minimal and the throttle is very responsive. The vehicle very easy to drive, quick, fun, and overall a simple build utilizing quality bolt on components from proven manufactures ensuring that everything is running at a safe and optimal level.

Huge thanks to the following manufacturers:


Cobb Tuning
Tomei
GrimmSpeed
ProcessWest
Cosworth
Turbosmart

APR Universal NACA Duct

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A very gorgeous piece from APR. This here is their Universal NACA Duct made from carbon fiber reinforced polymer. Designed to funnel fresh air into the critical components on your car that require adequate cooling such as your engine bay, radiator, brakes, transmission, and differential. It can even be used to divert air into your intake system.

Features:

  • Carbon Fiber Construction
    This component is formed in the autoclave at high temperatures using pre-pregnated carbon fiber manufacturing processes, for high strength and low weight.
  • UV Resistant Coating
    Each Air Duct is finished with UV-resistant clear-coat paint for resistance against various environmental conditions (take care of this as you would take care of your vehicle’s paint finish – polish then coat with good-quality wax or synthetic protectant).
  • Mounting Hardware Included
    Screws, nuts and bolts are all included to allow you to install the APR Air Ducts to your vehicle.

For pricing and availability, please give us a call.

Toll Free 1-888-45-RALLY

Local 1-801-748-4910

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APR Carbon Fiber Brake Ducts for 2008-2010 STi

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IMG_4467Often times when we think to upgrade the brake system, we think about upgrading the pads, rotors, brake lines, fluid, and sometimes calipers. All of these components are crucial pieces for getting better performing brakes no doubt, but in order to maximize their potential, adequate cooling is required. New from APR is their carbon fiber brake duct kit for the GRB STi. These pieces fit the stock bumper and comes with mounting hardware for a simple installation. Not only do they look good, they are light, and will help optimize your braking performance.

The carbon fiber ducts are currently in production and should be available sometime April. If you are interested in a set, please give us a call at 1-888-45-RALLY.

If you are interested in the front lip/air dam, we have those available on our website. Please click HERE.

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Cobb Tuning Evo X Intercooler Hard-Pipe Kit

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COBB Tuning unveils its latest performance piece for the EVO X, the COBB Intercooler Hard-Pipe Kit, and it does not fail to impress. It is currently the only kit that replaces ALL intercooler pipes (including the BPV) with weld-free single-pipe aluminum tubing. This uncompromising kit has the most comprehensive list of performance enhancing features available. Add the precision fit and one-of-a-kind appearance and it is clear that the COBB Intercooler Hard-Pipe kit for the EVO X is unequaled.

As with all intercooler hard-pipe kits, the stock rubber hoses to the intercooler are replaced with solid pipes to eliminate distortion under boost. But the devil is in the details, and that is where similarities end. The COBB EVO X Hard-Pipe Kit consists of single piece pipes made from mandrel bent aluminum tubing on both the cold side and hot side of the intercooler. The results are weld-free pipes from the turbo outlet to intercooler inlet and from the intercooler outlet to the throttle body, without unsightly mid-pipe silicone hose couplings that can disrupt flow or potentially blow off under boost. The hot and cold pipe diameters are increased from the stock 2.375” to 2.5”, enhancing flow even further.

The By-Pass-Valve (BPV) gets its own hard-pipe from the cold side of the intercooler, maintaining the factory location and orientation. Maintaining this connection from the cold side ensures that cool air is fed back to the intake system when the valve is in bypass mode, preventing overheating of the air charge post turbo. The BPV is located using a visually stunning COBB logo bridge that connects the BPV hard-pipe to the hot side hard-pipe.

The COBB EVO X Hard-Pipe kit is one of the very few that will fit with the factory air box in place (or the optional COBB SF Intake) as well as the stock front engine cover. The kit is completed with high quality COBB silicone hose couplings and heavy duty T-Bolt hose clamps to eliminate those embarrassing hose blow-offs than can occur when demanding the most from your EVO X.

The kit is available in Gunmetal powder coat or can be special ordered in high polished aluminum finish. Painstaking effort goes in to the fabrication, handling and packaging of our high polish kit, ensuring the parts arrive with a beautiful unblemished finish.