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Does it make the most sense to replace an old car's entire exhaust system all at once? Considering your car is almost 10 years old, having to replace all of the parts in the exhaust system does not sound unreasonable, especially if your locality uses any type of road solvent during the winter months (they didn't in Montana where I'm from originally, ...


2

Disadvantage is that tampering with emissions systems makes a vehicle no longer street legal. Other than that, it probably won't hurt anything at all. I don't see how removing EGR will increase power though. EGR closes at high power settings anyways. The gain would be entirely from some other feature of the racepipe (perhaps it's bigger). The fact that ...


1

If you haven't found the answer in the turbo or egr yet, just thinking out loud, I can think of two possibilities Boost sensor - the comport uses this to determine waste gate control, and also uses this in many cases to determine egr flow.... If it is reading high, the computer may dump boost early, and assume the egr is not flowing enough. Not familiar ...



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