Mopar, Speedfactory combine to beef up the 2009 Challenger.

[Kensai]

I wonder how much a full blown stage 3 supercharged SRT challenger will run. I am betting the stage 3 supercharge kit can be anywhere up to 20k on top onf sticker price if going with full motor rebuild and going to a big block 440! Wished I can get one of these full blown builds!

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[rfeiller]

watch e-bay the 20k markups are not holding on the 08's a limited production model. the 20k has not held up at the dealer here CA.

certainly a 20k markup will not even be asked for here on the 09', because they will be plentiful.

[Kensai]

RFieller,

But a 20k markup on the 09's because of these super upgrades can justify the cost. But to add on 20k because it is a limited production and specs are not different from oem, that is a different story. Especially with 09's going for regular price and the oem specs aren't any different from the limited 08's?

[caphopscri]

I accept: Stage 2 Naturally Aspirated: -CNC Matched Intake Manifold and Cylinder Heads
-High Flow Exhaust Headers
-90mm Throttle Body
-Speedfactory Cold Air Intake
-Performance Exhaust from the catalytic converter back (cat-back exhaust)
-Speedfactory Stage 2 PCM Tuning
-Unique 20� Forged Wheels
-Speedfactory interior and exterior upgrades
- 3 year, 36,000 mile warranty applied to the motor along with the factory warranty
-Results: Speedfactory has stated that the 6.1L (SRT-8) Challenger with the Stage 2 NA kit can expect around 530 crank horsepower. That is an increase of around 24%, so similar results on the 5.7L Hemi would give the 5.7 around 460 horsepower, but that is completely speculative.