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The rev limiter has been raised to 8300 rpm
A flash port is included for later modifications
Mild pops and bangs from the exhaust
The Banjo Bolts on the manifold should be drilled out to 6mm
Havok Engineering ECU Reflash Service - EVO 4 Running an EVO 5, 6, or 6.5 ECU - POPS AND BANGS! Flash The rev limiter has beenThe Real Deal This is for a reflash service for your EVO IV. You send us your EVO V , VI, or TME ECU, and we will reflash it with our popular tune, and send it back next day. The ECU will not been locked in any way, and can be retuned using open source software. This tune has been modified for a whopping 1. 3 bar (19 psi) of boost! Negative timing has been mapped in to create "Pops and Bangs". You MUST have the SAS installed for this to work. Launch