Hey up..i want to keep the 1.4sr engine. Ive got a full mangex system and a drilled airbox and standard wheels. Its done 110,000 miles and still goin strong ive done 120 in in and 0-60 in about 9.2 secs wiv 2 people in. I wanted to know what i can up grade on it to make it go faster and ow much will it cost???? What do u think is the maximum bph i can get it 2???? Cheers