HELLO, I OWN A 1992 LEXUS 400SC, 90M, LOOKS AND DRIVES LIKE NEW. LOOKING TO BOOST THE HORSEPOWER, DOES ANY BODY KNOE THE MOST COST EFFECTIVE WAY TO SQUEEZE LET SAY AN ADDITION 50 HORSEPOWER. I HEARD REPLACING THE INTAKE AND EXHAUST MAY ACHIEVE MY GOAL. IF THIS IS TRUE WHAT TYPE TO GET THAT I CAN BOLT ON MYSELF, WHAT TYPE, AND HOW MUCH.... PLEASE SOMEBODY HELP I JUST BARELY LOST A STREET RACE WITH A FORD 5.0 MUSTAND, AND I AM *BLEEP*ED OFF, BECAUSE THE FORD WAS STOCK. NEED MORE POWER SCOTTY! SOMEBODY HELP, GOT ABOUT A $1000 TO SPEND.