It does a wonder any one using a 4 coil on their teg,it is really very good especially with good tuning microtech is really smooth and good for hit.Now i am still running the 4 coil on a n/a i can feel a lot of difference.Please share your opinion about 4 coil what is the pro and con for n/a and fi.

 

some one please post something

 

im running it in my car now...b20 with 85mm pistons n quad throtlle...runs very well i should say..wat else u wanna know?

 

i am running it in my b18c 83mm piston,just wanna share some opinion of yours.Is it better than some msd coil and do you use twin power from hks?