vwong

I think David (DR) and Billy (71dsp) will know. If I remove all the emission related equipment, do I have to swap out the ECU? My understanding is that I can't just remove the parts because I'll get check engine light. Is that correct?

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2009 BMW 335i Coupe, Alpine White/Black Dakota, 6MT
2010 Audi S4, Ibis White/Magma Red, 6MT

DR

The emission system checks every 3rd cycle to make sure everything is working properly. As long as you have the ECU reset mod it will never see 3 driving cycles and will not throw a code. Need an EGR block off plate??

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David Rierson

Marcucci Motorsports
98 Prelude #53 NASA Honda Challenge
03 Acura RSX
04 Nissan Armada
06 Kawasaki KLX250S