Ram Year. 03 1500 Quad Cab 4x4 SLT. Engine. Stock 235hp 4.7L/287 V-8. use the search button, go to advanced, keyword "cold air intake", select "title only". There are I believe 59 individual threads listed as of right now. stock is just stock. upgraded air intake = better, ECU for fuel combustion = better, more efficient exhaust = better, all 3. Find many great new & used options and get the best deals for AFE Momentum GT Cold Air Intake System Fits 2009-2021 Dodge Ram 1500 5.7L at the best online prices at eBay! Free shipping for many products!.