Dodge Challenger Engine Upgrade Package Stage 1 5.7L, 6.1L, 6.4L HEMI Chrysler 300c Expect a 7-9% Power gain

Expect a 7-9% Power gain

Engine Build Sheet & Engine Dyno Sheet Attached

Quick and easy ride height adjustments

Mission accomplished

Dodge Challenger Engine Upgrade Package Stage 1 5.7L, 6.1L, 6.4L HEMI Chrysler 300c Expect a 7-9% Power gainDodge Challenger Engine Upgrade Package Stage 1 5. 7L, 6. 1L, 6. 4L HEMI Note: Must accomplish "Starter Upgrade Package" prior to Stage 1 Package Anticipated HP increase over stock engine HP 40 80 HP depending on displacement of engine. Headers Parts $1,000 Labor $600 $1,600 Exhaust Center Section Parts $ 700 With Header Install N C $ 700 $ 2,300 Note: You must accomplish "Starter Engine Upgrade Package" before installing Stage 1 upgrades, which