Just wanted to say Hello. My name is Austin and I drive an 03 LB7 ECSB. I'm looking for an answer to a couple questions. First off I'll state that the truck was completely stock when I got it. My only mod as of now is an Edge chip. Im looking to get a CAI from billscustomintakes along with a turbo horn. Also looking at a MBRP exhaust. I'm just wondering what size intake I should order and what size exhaust to go with. I like everyone else have plans for good horsepower. Getting there just will take time.
Welcome,
your stock intake will be fine, aftermarket intakes aren't a good bang for the buck & metal ones like Bill's will whistle more but also heat soak more than a plastic one. You can mod the stock airbox for some more airflow
The intake horn is a great upgrade, I recommend the Profab one
For the exhaust 4" is fine, go with SS for living in the Northeast, if your truck doesn't have a cat you don't need a frontpipe & Profab also has a cheap downpipe that flows alot better than the squished down stock downpipe.
Tie rod sleeves are a must if you don't have them yet.
From there get your tranny built, get a lift pump & a tune
Welcome Yankee!!
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friggen Texicans