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Please enjoy these fine examples -- from Challengers to Jeeps, from small HEMIs to BIG ONES, from quiet sleepers to noisy racers, you will find a lot of great ideas for your car build below. Then don't forget to call us at 866-844-1245 to talk about your car.

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Freefit 426 Twin Turbo SRT8 2012 Challenger
12/13/2012
lead image

The Freefit Car of GTP International visited Arrington earlier this year and has returned for its 2nd Stage upgrade. See for yourself what a difference it made.

Dynograph of Low Compression 426- Stage 1

Freefit Car of GTP International

Scroll To The Bottom To View Specs For Stage 1 and Stage 2


Click On Pictures To Enlarge

Freefit Car of GTP International
Freefit Car of GTP International
Freefit Car of GTP International
Freefit Car of GTP International
Freefit Car of GTP International
Freefit Car of GTP International

STREET DYNOGRAPH

Freefit Car of GTP International

RACING DYNOGRAPH

Freefit Car of GTP International

BUILD SPECS: STAGE 1
  • 2012 6.4L SRT8 Stock Challenger
  • Arrington Low Compression High Boost 426 Shortblock
  • Arrington Performance 6.1L Stage 1 Ported Intake Manifold
  • API Custom Billet Main Cap Set
  • Mahle 2618 Forged Piston and Ring Upgrade
  • ARP HEMI Head Stud Kit
  • Arrington Performance PSI Spring Kit and Valve Job
  • Forced Induction HEMI Cam 116 Lobe Separation with Pushrods
  • API 90mm Cast Throttle Body
  • 6.1L HEMI Timing Set, Lifters and Yoke, and HEMI Melling Oil Pump
  • 2011-12 Mcleod RXT Clutch
  • Dynatrac Pro60 IRS Rear-end with 300M 35 Spline Axles, 3.5" Chromoly Driveshaft, 4.11 Gears and Tru-Trac Differential
  • Arrington Performance Front Strut Tower Brace and Rear Shock Tower Brace
  • API 1-5/8 Sub Frame Connectors
  • ATI Performance Underdrive Damper
  • Arrington Custom Tune
  • TORQUE: [MAX = 457.3]
  • POWER: [MAX = 449.8]
BUILD SPECS: STAGE 2
  • Arrington Precision 62MM Twin Turbo Kit
  • Arrington 90MM Nitrous Throttle Body Calibrated for 150 Shot Pills
  • Twin 10 LB Nitrous Bottles With Remote Openers, Pressure Gauges, and Custom Nitrous Lines
  • API 1500 Competition Series Dual Pump Fuel System with Wiring Harness
  • Arrington Performance Fuel Rails and Crossover Kit with 100 PSI Gauge and Fuel Line Kit
  • Arrington Fuel Hat Harness for API 1500 Dual Pumps
  • 1100cc High-Z Fuel Injectors
  • Aeromotive Injected Bypass Fuel Regulator 40-75 PSI
  • API Custom 6-speed 1000HP Transmission Upgrade
  • Arrington 6pt. Roll Cage
  • API Custom Billet Oil/Air Separator
  • Arrington Electronic Exhuast Cutout
  • Kooks 6.1L LX 304 Grade Stainless Steel Catback Exhaust
  • Kooks 6.1L LX Stainless Steel Race System Connection Pipe
  • Hurst LC 6-speed Shifter
  • AEM Universal Boost Gauge
  • AMS 1000 Boost Controller
  • AEM Digital Wideband Air/Fuel Gauge
  • Challenger 2 1/16 Dual Gauge Pillar Pod
  • Arrington Custom Tune
  • TORQUE: [MAX = 1098.9]
  • POWER: [MAX = 1025.1]

Click to view Specs and Pictures of Stage 3 where FreeFit becomes the Worlds First Compound Forced Induction Gen III Hemi Challenger.

Pictures After Upgrades

Freefit Car of GTP International
Freefit Car of GTP International
Freefit Car of GTP International
Freefit Car of GTP International
Freefit Car of GTP International
Freefit Car of GTP International