I would go for ngk heat 7 for unmodified engine and modified engines heat 8. Regardless I would go for NGK. Their about £30-£40 for set of 4s but they are quality.
Well according to subaru they had too many alternator problems with the company remanufacturing for em. Note: remanufactured alternator will have a letter R before part number.
Exactly what stants said. Whole idea is cool down intercooler allowing for dense air + more fuel = more power, those I/c sprays are not for constant use.
1st line Big letters. S O C
2nd line smaller letters. Subaru Owners Club
3rd line even smaller. Website address.
If possible integrate subaru stars into design.
Babs is in blue, rest or writing is yellow, white background all covered in clear gel pad. Howether I think it would look better if all writing was in blue.