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I have a Honda Civic SiR (Canada) and to my understanding it is the same as the 04 Si in the states. Is this true or what? I have bought parts for my car from the states like Projector Headlights and Carbon Fiber Tail Lights. Everything fits except for the lightbulbs. My headlights are 9005 and 9006, the projectors I got from the states were H1 or H4. Is the 04 Si have H1 or H4 lights? For my tail lights my 04 SiR has a really small light bulb as a backup light and the 04 Si tails I bought requiers a much larger light bulb and socket, and my brake light bulb is way too big for the tails. Can someone give me some specs. on the 04 Si?