Quote:
Originally Posted by Megahurtz
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This is Rotofab Dry + MSD
Peak to Peak gains +16 RWHP -1 RWTQ
Delta Gains 31 RWHP 26 RWTQ AT 6350 RPM
this is Rotofab Dry + MSD + 1 7/8 + cats +3" to NPP muffler
Peak to Peak gains 31 RWHP 11 RWTQ
Delta gains +46 RWHP +31 RWTQ
Peak gains for the added LTs and exhaust:
Peak to Peak gains 15 RWHP 12 RWTQ
Delta gains +15 RWHP +5 RWTQ
This is not the whole story, you have to look at the curves overlaid. Ted said with all the other stuff on it the LTs really woke up the car. It comes on strong at the top and feels a little more sluggish down low as to be expected.
This is tuned in each case. So yes if you add the MSD (or maybe a well ported intake manifold), a CAI, and a tune you get these numbers. If you just do LTs by itself, even with a tune it might not be worth it.
Many thanks to JRE for doing all the work to make this clear. Modding the CA6 SS is more expensive than the 5th gens and the LTs are harder. On the 5th gen I could do LTs in a couple of hours. Not on this car. The price of a smaller platform and less weight.
Just bolt on the LTs with no tune, 10 RWHP for the LTs and pipes. ARH cats were included on my install but flow well. My car may have lost a couple of HP by keeping the NPP muffler. But not much in track mode, it is LOUD with the flaps open. On the highway even in Sport or Track you can barely hear the motor. Exactly what I wanted, not a hint of drone. I go to Snow+Ice with the wife in the car. But no matter what mode you are in startups will have everyone looking at you. Get used to it.
The first time out after the install my SS went from 12.35 to a high 11.9. There is more in it. I might add E85 and maybe later H/C.