Exaust component questions(updatedX2).... - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 08-21-2007, 09:39 PM   #21
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ok, i think im gonna go with a magnaflow muffler(or maybe the aerochamber), and keep the stock resonators there(still getting the new tips). I didnt see on my existing one, do I need a Cat with an air tube? and aboot the O2 sensor, how close is it to the cat? should I get one that has the sensor boss on it already? or will it be after the "coupling" on the cat? also, should i just replace the o2 at the same time? "if it aint broke, dont try to fix it" comes to mind when i say that though.
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Old 08-21-2007, 09:58 PM   #22
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You do not need a cat with a air tube or O2 boss in the housing. My rear O2 sensor is about 6Ē from the back of the converter. And donít replace that rear O2 ití* only purpose on OBD2 cars is to throw a SES light if your converter is not working properly or missing.

Ed
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Old 08-22-2007, 12:33 AM   #23
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good that makes it alot easier.
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Old 09-02-2007, 03:54 AM   #24
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ok, im going to try and get this done on this paycheck. or at least order part of it. stupid question: is that the muffler right after the cat? or is it the resonator and the mufflers are after the split? i was just assuming that the muffler was the bigger POS behind the cat.
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Old 09-02-2007, 12:11 PM   #25
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FWIW - You can also get some pre-fabbed items (DP and HF cat) from Hogan Performance. Curt is an awesome guy.

http://www.hoganperformance.com/HBodyGM.htm
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Old 09-02-2007, 12:26 PM   #26
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Quote:
Originally Posted by TommyGloves
I have to agree with Tommy, I bought a bolt in cat from Curt and he is a great guy to deal with & also has great parts.

Ed
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Old 09-02-2007, 04:58 PM   #27
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that price aint bad at all. i may just get that, id probly pay more for that to be fabbed up at teh local exaust shop. this way, i know it fits. whats that "interlock flex" option?
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Old 09-02-2007, 06:31 PM   #28
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Quote:
Originally Posted by Ryno02
ok, im going to try and get this done on this paycheck. or at least order part of it. stupid question: is that the muffler right after the cat? or is it the resonator and the mufflers are after the split? i was just assuming that the muffler was the bigger POS behind the cat.
the resonator is the one right after the cat and your mufflers are at the rear of the car.
on my '00, the mufflers(Aerochamber) were offset in, center out, just like the pic from 2000 SilverBullet'* car.

ROD
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Old 09-02-2007, 07:59 PM   #29
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oh. damn, im glad somebody told me that. i would have gotten the wrong crap. i gotta buy two mufflers. YAY
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Old 09-04-2007, 03:45 PM   #30
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ok, after researching, i think im gonna go with magnaflow. they are stainless, better price. a few peeps said that dynomax is popular with the GN crowd, but i was looking at the flow numbers for the super turbo dynomax muffler. its not as good as magnaflow or dynomax'* ultra flow(which is more $$$ than magnaflow). im probly gonna go with one of these three:
http://store.summitracing.com/compar...00+115&FROM=MG Silverbullet, what length mufflers did you get?
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