Spark plug 2011 wrx
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This is a discussion on Spark plug 2011 wrx within the Tuning: Electronic Engine Management forums, part of the Tech & Modifying & General Repairs category; I have a stage 2 cobb setup on my 2011 wrx. Stock intake, turbo back exhaust, oil catch can and ...

  1. #1
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    Spark plug 2011 wrx

    I have a stage 2 cobb setup on my 2011 wrx. Stock intake, turbo back exhaust, oil catch can and the cobb v3 ap. what are the best spark plugs for my setup? Stock, copper, platinum, iridium? I noticed an issue with loss of power a couple hundred miles after my tune. Talked to my friend with an sti he suggested I change out my plugs.

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    Master Baiter EJ257's Avatar
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    Stock heat-range iridiums would be my recommendation.
    2005 WRX STi (Mods | Virtual Dyno)

    Resident Tuner @ WTF Tuning, LLC

    "Never trust anything that bleeds for a week and lives ..."

    UNYSOC

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    OMG WTF MainFrame's Avatar
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    Quote Originally Posted by EJ257 View Post
    Stock heat-range iridiums would be my recommendation.

    NGK

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    Registered User cflip2x's Avatar
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    I just changed mine not to long ago I ordered some Amazon.com: NGK (6619) LFR6AIX-11 Iridium IX Spark Plug, Pack of 1: Automotive dont forget the anti seize
    2012 WRB 4DR | SPT Exhaust | Short Throw | Rally Armour | WC Lathe Werks Custom TI Knob | Kartboy Bushings | Stoptech Brake Lines | JBK Elements DRL | STI HID Retrofit | XB LED Angel Eyes | GrimmSpeed Lightweight Crank Pulley

    CFLip2x 2012 WRB WRX

  6. #5
    Registered User nsibanez's Avatar
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    Colder plugs aren't recommended until 100 hp over stock (future tip)

    Sent from my SCH-I545 using Tapatalk

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