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Old 12-14-2018, 10:01 PM   #1
Scooby Newbie
Member#: 479717
Join Date: Dec 2017
Default NEED HELP 2011 WRX Knocking Noise

I Have A 2011 WRX Premium
Mods -
Stock Turbo
Equal Length Headers
Cobb SF Airbox
Grimspeed Top Mount
External Wastegate 38mm TIAL
Grimspeed Boost Controller
ID1000 Injectors
Walbro 255LPH Fuel Pump
Stock Fuel Rails
Invidia Catted Downpipe
Invidia Q300 Catback

I get a knocking noise around 2k Rpm you have to get really close to the engine bay to hear it but itís there and you hear it while driving but only on 1/4th throttle and letting off. Not sure what it could be?? Timing tensioner?? Rod Knock?? Should I get a retune?? And oh I started having a boost leak from oem tgv and oem Turbo Inlet not sure if thatís the cause had this noise for a while
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