Beginner Question
U have the base model d15 I assume. The si motor is good for a -20-30 hp gain. But you would need the si trans to feel the power also. What u could also do I what I have done to my dx. Just bolt up an so tranny. Feels way better than stock gas mileage will suffer tho bro series is a bit much for a beginner I would say unless u have experienced friends with you the whole time. All day series motor parts are exchangeable to a degree. Hope this helps
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