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allowing for quicker turbo spooling
Our engineers dropped the BMW M4 down 4
2011-2014 Subaru WRX
your OEM K-Series engine harness and your K-Series ECU allowing for a simple plug-and-play K-Swap
ETS V2 MaxFlow Front Facing Header - Subaru WRX 2006-2014 / STi 2004-2021 HF3-4B51 allowing for quicker turbo spoolingThe wait is over! Extreme Turbo Systems is proud to release our new Subaru STI V2 MaxFlow Front Facing Exhaust Header for the 2004+ Subaru STI. We designed our ETS V2 MaxFlow Header for customers that want to design their own front facing turbo kit. We start off with large 1 7 8 primary runners that come together in a true low angle 4 1 merge collector that then flow into a huge 2. 5" secondary for maximum scavenging and exhaust flow. Features 1 7 8"
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