Originally Posted by PMJ
I hollowed out my cats this morning...another PITA job. I thought it would be 15 min or so per cat...took closer to 1 1/2 hours each...another bushing type job.
For some reason I for got to take an after pic, but they essentially look nice and clean in the middle.
I been meaning to ask (And have ask many times!) this question several times, I hear they only rob 3-4 hp, but the tone must certainly be different?
Now that you did it what differences did you notice- sound, power, anything?
I see you got it over 800rwhp!
Haven't been on the forum as often, have to catch up!
SLP- long tube headers, hi flow cats w/full SLP 3'' PowerFlo exhaust incl/X-pipe, 160 degree stat, SLP Blackwing CAI. Dyno tuned by ECS-407/409RWHP&TQ. BMR- trailing arms w/poly knuckle bushings, toe links, cradle bushings and differential bushings. QA1 rear lower control arms. Hurst short throw shifter, DSS- level 4 axles, DSS- aluminum driveshaft, Pfadt- sport 1.5" rear sway-bar. SPOHN 1.25" front sway-bar. Monster LT1-S twin clutch. Prothane motor mounts. Best 1/4 mile so far- 12:70ET @ 112.24 MPH w/ 2.06 60', 2010.