JT is not loud.
not nearly as loud as people make it out to be.
It's quieter than my old catless HKS hiper on the Galant.
There aren't many places state-side where you can get away with a non-catted car. not to mention the only way saab tuners know how to keep the rear-o2 code from flagging causes you to fail ANY obd-2 test. the good news, is that local exhaust shops can make a slip-fit cat for a JT pretty easily.
there are cheaper cats, but plan on paying $100-$150 for one installed.
is the saabspot nice sounding? i want my car to sound tougher than your off the lot saab. something low and throaty. with preferrably lower cabin noises than a fart can.
Search for "exhaust clip" on the forum. There's an entire thread where people posted sound and/or video clips of their exhausts. I have the saabsport, and I love it. It is not LOUD, but it sounds very nice, like when downshifting in 3rd and 2nd it gives some nice pops and crackles. (but not snap though, he wasn't invited.)
Doesn't the three inch JT include the downpipe and everything back from there?
If it were me, I might go that route, then get a local exhaust shop to install it, welding in a cat while they were at it. You would probably pay $150 to $200 for the cat and installation.
I don't like the idea of going catless. You might fail emission inspection, you might be throwing codes, and you will be polluting more than necessary.
there's a $400 price difference in the JT w/ and w/out cat.
all you have to do is take that section of the exhaust to an exhaust shop and have them fit a cat in the section without changing the length of the pipe.
Or, have them re-create the section with a cat so you have the option of running with, or without a cat by changing only one of the sections.
IIRC, the section where a cat SHOULD be on the JT is a pretty short section, though. Mine's even shorter, since JT put the first 02 sensor after the flex-pipe (under the oil-pan) instead of in the first bend like Saab does. (the instructions said viggen? perhaps t7 cars have the front 02 sensor further downstream?)
for your plans, the SS is fine. just don't expect to be amazed by it. it's a little louder, and a little less restrictive; that's all
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