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2004 chevy trailblazer_ls
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117 Posts
Discussion Starter · #1 ·
hi, i just bought an intake and went to install it, and i got the two hoses in. i am getting rid of the intake resonator, but there is a plug that is directly on top of it, just below the word vortec. what is it, and do i need it in my new intake?

also, without the resonator, it is really loud or kinda subtle and just sound good. for fun my friends and i removed my muffler and resonator, and it sounded decent, but while driving you couldn't hear yourself talk.. i liked it, but my girlfriend hated it. so i want to be sure that deleting the resonator will not make it obnoxiously loud.
 

· Registered
2003 chevy trailblazer_ls
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1,248 Posts
Depending on the year, the resonator typically has a port for the fuel injector pressure regulator and the engine oil bypass (would be the PCV on another vehicle, except we don't have one). There should be provisions on the new intake tube for these fittings. There is also probably an air temperature sensor port somewhere. You will have to extend the lines to fit those two ports to the new intake.

Sound wise, they are not too bad -- not like eliminating the muffler, which mostly makes a horrid droning sound on the I-6 engine vehicle. They go sort of whooosh when you press the throttle.

Look up my thread (sticky) on the True Flow intake. I have a few clips.
 
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