TB spacer will be a waste of cash. Mass flow? I presume you mean mass air flow sensor which you truck doesn't have. Chrysler products use the speed density method for calculating the injector pulsewidth.
Thanks. Im not the most knowledgeable engine person. RamTech i figured something like that was going on after i posted when i could not find any products. I like saving money.
I have all those done to my 4.7 except for the diablo tuner. I found a cold air intake on ebay for $80, the cone filter sits next to the radiator down in the bottom (BIG difference in throttle response/power. Really woke it up & it just sounds so awesome hearing it suck in all that air!) I also snagged a throttle body spacer on ebay for $60. Noticeable diffference on the bottom end torque. For the normal price of $120 i dont think its worth it but you cant beat a 50% discount. Exhaust, i already had when i got the truck but im sure it helps it breathe better, especially complimenting the CAI. As for a tuner, i havent gotten into any of that. The furthest ive gone with that is a chip that goes crimped onto both wires for the sensor on the intake that tricks the computer into reading the air temperature to be lower. Only reason why i bought that was because my truck ran very rich in the Miami heat. The exhaust smelled so strong im sure i gave other motorists in traffic carbon monoxide poisoning. It was BAD!!! But it all went away with the chip. plus improved my MPG from 16-17 HWY to 17-19. Overall im happy with my performance mods. Helps me enjoy my ride to work & back more but i think thats as far as i"ll go. I have my eye on a HEMI swap with PLENTY of internal mods!!!
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