My 2006 WRX STI cool noises fully built by me

Fully built motor including CP Pistons, Eagle Rods, ACL race main and rod bearings, gates racing timing belt, cosworth oil pump, perrin front mount Intercooler and intake, xpt stage 2 tune modified, borla headers, stock uppipe, helix downpipe, invidia G200 Exhaust, and some other stuff that im too lazy to list :D This video is me driving it around making some compressor surge noises with my agency power blow off valve 50/50 and a slight uppipe leak. just hit 3k on the new engine!

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Built STi Street Testing- LOUD Wastegate
BW 7163 on built 2.5- E85





What is Flutterdump?
This video is intended to help people identify another form of compressor surge that we're calling FLUTTERDUMP.





Subaru STI with HKS BOV





600WHP Subaru Impreza STi - Anti Lag and Cyclic Idle in Car Demo
Just put some finishing touches on tuning the anti lag to make it smoother. Flipping the switch opens throttle plate 20% and engine runs on cyclic idle @ 1,700rpm. When I step on the gas and engine rpm exceeds 3,000rpm and 30%+ throttle plate opening, anti lag is on. If engine rpm is under 3,000rpm for 5 seconds or more anti lag turns off and goes back to cyclic idle until I flip the switch off. At idle with anti lag on it's about 1-2psi Boost at 2,700rpm. Free revving it up I can reach 5-10psi with no engine load. BEFORE anyone asks how you get it and if you want it. Anti-lag is EXTREMELY hard on the engine. You would need forged pistons, and built heads at a minimum. The valvetrain takes a beating so inconel/super alloy Exhaust valves would be a must as long with aftermarket valve springs. Also you're going to need a STRONG header. Explosions are going on in there.




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