I just got my truck emission tested after JRE injectors. With 30% being legal I had 3. 6% not bad
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92W250,auto,3. 54,16cm2,JRE injectors,borgeson joint,3 1/2 dynomax race magnum ex. ,addco sway bars,seatco seat,peeling white & silver,K&N filter, Isspro boost&pyro