Step back, breathe deep, and take a look at the misspellings.
I know, it's not a huge deal, but it makes us, or at least myself a lot more apt and willing to help.
It's been said that a chambered muffler is the better choice in an NA, especially since you've gutted your cat, you're going to have a lot of resonant frequencies.
I would say 2.5" from the header back with a reasonably-sized resonator mid-car, and a chambered or baffled muffler at the rear of the car.
You may need to do some tuning as far as resonator length, quantity, and even pre-mufflers to get rid of some blat and rasp.
as far as remote start, find a reputable shop to do it. it's way too much to tackle in your garage.
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