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Exhaust question

This is a discussion on Exhaust question within the Firebird / WS6 forums, part of the Vehicle Specific category; I have magna flow cat back on my car and its really quite except at WOT. Is this one of ...

  1. #1

    Exhaust question

    I have magna flow cat back on my car and its really quite except at WOT. Is this one of the lesser sounding systems out there???? I use to have flowmasters on my l98 camaro and it was waaay louder. Granted I was running edelbrock headers.

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    I also have a Magnaflow catback -- I would not call it loud, but it certainly has a deeper tone at idle and under light acceleration than the stock system. Once you get into the go pedal, it does bark a bit more and has a real nice sound to it.

    Stock exhaust system:



    Magnaflow catback:


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    Exhaust on these cars is totally different from any other car because of GMs sorry "Y" configuration. But from my experience (and money) get the loudmouth system or straight pipes. If I could go back and start over I'd try the true dual some ppl have put together. I came from fixing up mustangs forever to my first TA so I went with Flowmaster....terrible mistake if u want an aggressive sound. So in a nutshell, Headers (or off-road Y) + loud mouth (or straight pipe) = great

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    Quote Originally Posted by navyLS1 View Post
    So in a nutshell, Headers (or off-road Y) + loud mouth (or straight pipe) = rasp
    Fixed

    If you're set on very loud, get a cutout and keep your current set-up IMO.

    If you MUST get a LM, get the LM2 not the LM1. I have Kooks with the LM2 and love how it sounds. The LM1 sounds raspy with LTs.

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    formally 01 T/A 0verkill's Avatar
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    that is way i get the magnaflow well that and it flows so good. but it soounds down right mean with a set of lt's ory and a cam. as for the lm=junk but i dont like slp.

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    Quote Originally Posted by 01 T/A View Post
    that is way i get the magnaflow well that and it flows so good. but it soounds down right mean with a set of lt's ory and a cam. as for the lm=junk but i dont like slp.
    Agreed. Although I don't have a cam. No go for SLP with me either, but if your wanting a more agressive sound OP, may I suggest removing the cats and/or purchasing LT's? Amplifies the awesome sound of the Magnaflow. Only thing is if your trying to get past inspection or emissions(depending on your state), you'll have to remove and install the cats. Personally, I dont mind. With the inspection I have a family mechanic so I only have to worry about having them on for emissions. It's worth it with how much better it sounds IMO

  7. #7
    Quote Originally Posted by BirdCountry02 View Post
    Agreed. Although I don't have a cam. No go for SLP with me either, but if your wanting a more agressive sound OP, may I suggest removing the cats and/or purchasing LT's? Amplifies the awesome sound of the Magnaflow. Only thing is if your trying to get past inspection or emissions(depending on your state), you'll have to remove and install the cats. Personally, I dont mind. With the inspection I have a family mechanic so I only have to worry about having them on for emissions. It's worth it with how much better it sounds IMO
    I need cats, but I can however gut them out. That would help a bit, and maybe increase performance?

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    Member BirdCountry02's Avatar
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    Thats another good idea, and should increase it a little bit. Although gutting will probably not pass emissions, but you could however find used stock cats and gut a pair and swap both for just emissions. Only every 2 years to have to swap

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    Moderator 35th-ANV-SS's Avatar
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    Does your state have a visual inspection or just scan the OBDII?

    If just a scan, you can remove your cats, delete the O2's and have them tuned out. You will pass emissions this way.

    Other option is to gut the cats (so they are still visible), remove the O2s, and get them tuned out.

    Either way, you'll need a tune, or need two different sets of cats if you have a visual inspection.

    Removing cats will make the car louder.

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    i have the lm1 on my camaro and it sounds AMAZING. And it is LOUD haha. But, if you were to get LT's or an ORY forget about it, nothing but rasp.

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