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K&N panel filter cause engine sound change?

Discussion in '4 Cylinder' started by Turp, Jan 23, 2011.

  1. Jan 23, 2011 at 4:56 PM
    #1
    Turp

    Turp [OP] Well-Known Member

    Joined:
    Jan 10, 2011
    Member:
    #49037
    Messages:
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    Virginia
    Vehicle:
    02 PreRunner SR5
    K&N panel/ snorkel removed Keyless
    I had just puchased the 02' truck has stock exhaust and was not real familiar with the exhaust note when I installed a K&N panel filter. It seems the exhaust and engine sounds different; more prominent or throatier. In some ways it seems to have more "pop" or "rasp" than my 01' 4Runner with V6, but it's gone I can't do a comparison

    I'm not reversing the change but I was going to change back just to see if the filter was the difference but also thought I might ask here.

    The 2.7 is a pretty decent sized engine considering it's not much smaller that some V6's such as the Ford 3.0 Duratec. As I recall the 2.6 Isuzu I4 were louder than the the 2.8 V6.

    Can the additional air moving through the engine change the exhaust note or engine tone? Have you observed this?
     
  2. Jan 23, 2011 at 4:59 PM
    #2
    Burgman

    Burgman I KEEEEEL YOU

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    Ric VA
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    08 PreRunner TRD sport Silver
    K&N intake, Boston Acoustic SL 60 6.5 components up front, Rockford Power T16 6.5 in rear, Pioneer P4100 HU, Soon to be Pioneer Prs 4200f
    Yes the engine will sound more aggresive under high revs, enjoy
     
  3. Jan 23, 2011 at 4:59 PM
    #3
    747

    747 function > form

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    Ans to Q1: Yes. Ans to Q2: Not personally, but others have.
     
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