2010-13 Mazdaspeed 3 Engine and Performance
Guys I plan on also doing downpipe. I was considering cp-e but you guys recommend me based on your experience. Yes I know, did I do hpfp internals? Yes they will be order with cpe stage 2 rmm and tmic. Then after that dp, but not sure with who, most probably cpe.
What behaviour should I expect...