ive got 2 mates who happen to be brothers both with 04 falcons one of the falcons has ss inductions CAI ($400), pacemakers and exhaust ($800) and it ran 15.00 down the 1/4 and has 202.5 rwhp the other has ss inductions CAI ($400) , pacemakers and exhaust ($800), 3.9 diff gears ($1100)and a full custom tune ($1300) and it ran 14.99 down the 1/4 and has 202 rwhp im not sure if the tune was completely worth it or not but then again every car is different