Ive seen alot of members are cutting the 2nd cat on their exhaust system? what is this doing for them? making it louder and increasing power? i am about to purchase an exhaust system and i want mine to be real deep sounding, will cutting the cat help?

 

It will just increase the noise, a much better sound.

 

And increase the stink. Which was a repurcussion that I was not anticipating.

 

that is why the best thing you should do is cut all 4 cats and install 2 magnaflow high flow cats. Much better sound, and it wont stink at all, and emissions are lower than with the 4 stock cats.

 

gutting ur pre-cats be prepared for a toss of torque, just take them out & go with the high flows

 

did you feel a loss? I didnt...

 

Nope, and I gutted my front cats last sunday, (to practice, because my mom's expy is making the rotten egg smell), and my truck will powerbrake without the edge. It is also 2mph faster in the 1/4 mile. But I've only run it once, so that might just be a fluke. It does have TONS more low end torque now though. But I suppose that could be coincidence too. I just replaced the spark plugs.

It will make it louder, but as for performance gains, I don't think its worth it. Especially the smell. I can't even sit at a drive thru now. It smells like raw fuel. I hate it.

 

Put some high flows on it

 

I love it! gimme fuel gimme fire.... haha

 

Are magnaflow cats just high flow or do they have high flow models? Been looking around and have seen magnaflow cats but none that are titled high flow.
Thanks

 

magnaflow cats are known for high flow.

 

is ramming a heavy rod into the cats a good way to gut them or do they need to be dissassembled?

 

thats how i did mine before I got the high flows, and mine didnt smell at all.

 

I cut off the post cats this last weekend and felt no noticable loss in power. I felt a gain in power at WOT at highway speeds, mainly from 80-100 mph. Does not smell at all on my 04 with two cats left.