catback vs throttle bodies

ltnate3

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Louisville, KY
Which one first? Just added K&N drop in, wires, plugs, and coils, which mod should be next?
 
When I got my truck years ago, the first day I did a K&N filter and a cat-back system. I waited a while before I bought a BBK TB.
 
Get rid of all the cats, thats what I just did............. real nice now.
 
Catback first! To many idle issues with changing the throttle body! Not enough gain to be noticeable
 
BBK gets about 10-15HP gain, Catback 0 HP gain but sounds better
 
IMAG0328.jpg
 
At a minimum delete rear cats and do a catback. Just makes the truck sound so much better and with the rear cats gone, a noticeable improvement in performance.
 
I agree with the catback
 
I haven't done the TB yet, but I love my catback. I can't go catless, but I hope to at least add the 3" midpipe and high flow cats. Get a good exhaust and you will absolutely love it.
 

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