Sub speaker program or freehand (Car Hifi & Multimedia & Navigation Forum)

Just wanted to know what everyone thinks...
Which one is better

I made my box free hand and guessed the sizes and it came out much better than I expected.

I had a manual from JL Audio to build a box. But the result wasn't very satisfy. No pressure, no sound. So I made a new Box, free hand. I tested a lot of sizes and after one weekend, I had a good sound and pressure. But a box, which was three times bigger than the original size from JL Audio.