i have a 94 trans am A4 Lt's,4in-y,flowmaster,160*,pulleys,light weight balancer,CAI,foil,3.73, how much rear wheel horsepower do yall think i will make going to the dyno this wed. i run 8.40's 1/8 82.7mph

 

280whp ish

 

yeah around 280 HP and 315 TQ get ride of that blowmaster its so restrictive, i got my car dynoed and i also have a flowmaster and mid lengths and she putt down 265RWHP and 303 RWTQ, I bypassed the flowmaster with a cut out and my numbers went up to 268 RWHP and 335 RWTQ.