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I did plan on eventually putting headers and I don't have a u bend my car is a 2005. My pulley isn't that much smaller then the stock one I was able to still use the stock belt. The car runs great no CEL, car is breathing much better now with cold air intake and cat back.
You NEED headers tho. More air in has to = more air out or you start having problems. Also, how much smaller can really depend on how long your engine will last. In the grand scheme of things going from a stock 3.8" pulley to a 3.4" pulley isn't "that much smaller" but with your mods the knock it will create will cause the car to lean out the fuel trims, then by boosting it you are adding more air and it will chip a piston and if you don't catch it in time will destroy the piston and get who gets to buy a new motor at that point?
you do.
PLEASE listen and don't make a noob mistake. Most here know "I told you so" all too well.
For the record, you don't get a CEL until its too late. What you think is breathing better may be killing your car, let me hook you up to a oxygen machine, its pure oxygen so you breathe better right? There are reasons we recommend certain ways to mod and have what is called "supporting mods" without them, your just buying time.
You want to really test it, hook up to a scanner, do a couple pulls and log the Knock Retard *'s, (not IF) but WHEN it goes over 3* before peak RPMS you know you need to back off and put the stock pulley back on. Again, your CEL is not a "pre-warning", its a "Oh ****, something just broke" light.
Ok I see what you guys are saying it makes sense. So my next question is were would be a good place to get the parts to finish up my exhaust so it's done right?
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