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Discussion Starter #1
I'm looking to make my car legal (and quieter for cruising) with an electric-open bypass pre-cat. I know the cat needs heat to operate effectively but my Turbo-piping doesn't allow it to be mounted too far upstream. Any idea how far is too far? (I was thinking of mounting it somwhere near where the catback bolts to mid-pipe.)
 

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Exactly what I am going to do, subbed for info.

Side note, are you still liking the Kit?
 

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Discussion Starter #3
After driving aroud, I put her up on jackstands to finish-touch everything. Put a turbo-blanket on, wrapped all the hot-side pipes, replaced the ON3 clamps with better ones ($60). I've been daily driving it to work everyday and just LOVE it. No leaks at all, decently quick spool and plenty of power. The spoolup sounds fantastic, like a turbine .... very loud and gets plenty of head turns.

The bad? I absolutely HATE HATE HATE the sound of the catless mid-pipe. Through my Flowmasters it sounds like a riced out Honda with a few more pistons. (Another reason I want to put the cat back on) I might even throw OEM mufflers back on for a super quiet sleeper ride around town. Some people like that azz-terrible sound ... but it makes the car feel like loud and slow bolt on car.
 

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Chambered mufflers sound like #### on turbo'd v8 not to mention create back pressure. Get some resonators or blow through mufflers like the magnaflow magnapacks.
 

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Chambered mufflers sound like #### on turbo'd v8 not to mention create back pressure. Get some resonators or blow through mufflers like the magnaflow magnapacks.
Would a Borla XR1 racing muffler sound ok and be a good choice with a turbo'd motor?
 

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Chambered mufflers sound like #### on turbo'd v8 not to mention create back pressure. Get some resonators or blow through mufflers like the magnaflow magnapacks.

Maybe on a Modular. My H/C/I 5.0 sounds absolutely awesome with my American Thunder catback. Anyone that has heard it has yet to disagree with me on that one so far. Even so, it'll get replaced when funds allow.
 

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Discussion Starter #7
I took these videos for another website that requested an ON3 exhaust. Figured I'd share.

 
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