360 aftermarket header+cat+?? stock muffler - Ferrari Life
 
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post #1 of 15 Old 01-01-2013, 10:17 PM Thread Starter
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aftermarket header+cat+?? stock muffler

As suggested is it ok to have such combination. I wanted to hold on to the header and highflow cat but the exhaust itself is just too loud with the roof down. I still have the stock muffler can it be install in such combo? any suggestion is appreciated thanks
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post #2 of 15 Old 01-02-2013, 10:30 AM
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Affirmative, we often see combinations of aftermarket exhaust parts that are too loud. What you are suggesting should tone her down and still give a boost in hp over the OEM set-up. Plus there is always a market for whatever aftermarket set of mufflers you are running now.

You can also hook up the bypass valves again so she is quiet at low revs. If you want more choice of when she is loud or quiet, you could always get a Capristo bypass valve remote that allows you to choose whether the valves are open or closed at low rpms.

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post #3 of 15 Old 01-02-2013, 12:21 PM
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Mix and match is not a problem. These components are always made to match factory parts to make selling them easier. I have found that manufacturing tolerances can vary measurably, be prepared to take the time to make sure the mufflers its right and the exhaust tips are even.


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post #4 of 15 Old 01-02-2013, 03:20 PM
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What are you trying to do? Changing the headers will not really affect the stock tone, just make it louder.

Why not just do exhaust only. I had a Tubi on my 360 during my 2 years of ownership, and never thought ever it was too loud. Actually wished it was a little louder.

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post #5 of 15 Old 01-02-2013, 04:30 PM
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Some people are removing the stock headers to remove the pre-cat which can break down and get sucked into the engine, causing damage. I would assume this is part of his goal as well. Aloso, removing the pre-cat and replacing the stock primary cat with something like the Hyper-Flow frees up some horsepower as well.


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post #6 of 15 Old 01-02-2013, 07:01 PM Thread Starter
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car came with all the mod alrdy installed plus all the stock parts.
so the header cat exhaust etc a installed. sound incredible just like f1 but too much for its own good. let me see if i could make a clip.
i think the set up is great for hard top but definitely not for spider.therefore the though of having the stock muffler reinstall.
its alarm triggering loud i think i have past that age now
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post #7 of 15 Old 01-04-2013, 01:01 AM
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I have triggered alarm even with stock exhaust. Perhaps you may need to just add valves to make it less loud on low rpms
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post #8 of 15 Old 01-04-2013, 05:35 AM Thread Starter
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Check this out
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post #9 of 15 Old 01-04-2013, 05:48 AM Thread Starter
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Exhaust does look like something made from backyard :-) but consider it is over 7-8 years old
And sound absolutely awesome unfortunately age is catching up!
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post #10 of 15 Old 01-04-2013, 09:28 AM
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I must say, that looks truly awful.

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post #11 of 15 Old 01-04-2013, 11:43 PM Thread Starter
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Haha Yes I agree it looks truly impressive )

From the outlook do any of you think that the stock valve can be added to such exhaust? If it can be done then at least I solve the noise issue at low rev
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post #12 of 15 Old 01-07-2013, 03:27 AM
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If, not, maybe you can buy a pair of used OEM tail pipes and have them on.
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post #13 of 15 Old 01-07-2013, 08:14 AM Thread Starter
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actually i have the stock end pipes on hand but wondering if they are compatible. on one hand the exhaust sounds so good on the other hand it just too loud at low rev. If only i could fit the stock pipe with valve but need to understsand from some expert if that can be done. I dont want to guess and end up damaging the engine.
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post #14 of 15 Old 01-07-2013, 10:01 AM
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We just told you it can be done and will not cause any problems.

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post #15 of 15 Old 01-07-2013, 11:06 AM
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Winsome, I have a setup on our 360 to what I think the expert recommendation is. Keep what you have and add the OEM tips with bypass values. This achieves our goal in keeping a low exhaust note during warm-up and at low rev's while we leave a quite neighborhood.

Now if anyone can show me how to add a by-pass valve to a coyote I'm all ears; buggers keep waking me up!
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