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A buddy of mine has a chip for a 4lb pulley from his '02 L and I have an '04 L will it work?

How come nobody talks about their supercharger, isn't a twin screw better than a rotor design?

'04 w/2900 mi. , a Magnaflow cb and modded stock box with a k&n drop-in filter. Also changed intercooler fluid with Pro Blend 40 Below additive and distilled water it's suppose to be around 85deg. and a humidity of 70% by 8:00pm est time, I'll post the good or bad track is 1/8 mi.

How much difference in performance with a cai and a good tune do you really get out of a stocker? I'm just wanting to do a step by step increase to see what really nets you the most fun! I plan on taking the truck w/2600mi. to the track for the first time thursday to get a baseline and yes it'll...

Any special tools or anything not to do? wanted to install some speakers but I only found one screw under the hand rest.Does the inner panel pop off?

Since the stock Eaton makes so much more heat , how much extra nos do you need to get the full benefit of a 6lb pully? This would be a dry shot(small shot). And would the stock block be okay fo a daily driver at that level?

I drained the reservoir and replaced it with a quart of Pro Blend 40 Below radiator additive and refilled with distilled water, suppose to be a little better than Water Wetter? Anybody else try this stuff hell it's 20.00 a qt.

How much is left in the stocker with bolt ons without going to a pulley?

With stock boost will the ecm compensate enough without requiring a chip etc?

Recieved mine today from LFP and nobody can go wrong buying one for $369 shipped, and if it sounds as good as it looks I'll say it's well worth it for a full stainless system!!! I'm gonna slap it on in morning:burnout:

I'm asking a question to people who have had results and you kill the thread? The search does not define Lightning or Cobra ,man that's 7000+ replies I only need a couple?

Being there's so many to choose from, but for the $$ what gains have been proven to work the best? Stock to fully modded hp, you see alot of simular systems but what is the MAC DADDY!!:bowdown:

Is there any data that supports no hp gain after installing a catback and driving a couple hundred miles and then retesting or is it back to back comparison that shows the difference? I always thought the ecm had to relearn the different changes before you could see any differences?

Thanks for the prompness on getting my catback to me!

How bad is the interior noise at cruising speeds 1500-2500rpm?

Any body got one , pros and cons, sound , any performance gains?

Were threads ever increased from the '02 L's, I just bought a Lightning '04 and I don't want to worry about plugs getting spit out of the head? I plan the JLP 5lb. lower and extra's etc , that's the only reason I bought the truck was for the cheap HP increase you get these trucks!

Anybody having problems with ngk tr6 plugs blowing out ? A buddy of mine has an '02 L w/ 4lb lower , JDM CHIP ,Home made cai, throttle body, and oil seperator,. In the last week twice the 3rd back on the passenger side has come out of the threads? Any suggestions on how to go fix this?

Spintech, JDM, Bassini and Maganaflow? Just bought an '04 L and want more growl, plan on the basic mods , cold air,chip etc, and boost later I only have 600mi. now but with the exta mods how much hp is gain with a catback?