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IS350 True Dual X-pipe into Invidia Q300 Build

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Old Feb 1, 2015 | 12:41 AM
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Default IS350 True Dual X-pipe into Invidia Q300 Build

Hey guys just wanted to share my exhaust build and contribute I'm new to the forum so I need to meet the 30 post quota LOL. Here's a couple of clips put together I had the Q300 catback before this set up not for a very long time either because it wasn't sounding the way I would like it to sound. So CVT designs in Houston recommended a true dual build so I went with it and have had it for about 6 months now. Let me know what your opinion is on it! Also the drone is not bad at all I can hold a conversation in the car with people in the back no one has gotten a headache or anything and I've gone on long road trips with a full car. If anything my music is what keeps me from hearing people LOL.


Last edited by JustBrosy; Feb 2, 2015 at 12:38 AM.
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Old Feb 1, 2015 | 09:40 AM
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Sounds mean and aggressive...I like it!
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Old Feb 1, 2015 | 10:16 AM
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Originally Posted by Gville350
Sounds mean and aggressive...I like it!
Thanks that's what I was aiming for!
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Old Feb 1, 2015 | 06:56 PM
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Sounds beautiful!!
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Old Feb 1, 2015 | 08:53 PM
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Originally Posted by MDHLexus
Sounds beautiful!!
Thanks much appreciated!
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Old Feb 3, 2015 | 02:03 PM
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So your setup has the secondary cats deleted as well?
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Old Feb 3, 2015 | 03:15 PM
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Originally Posted by MDHLexus
So your setup has the secondary cats deleted as well?
Yes they are deleted as well.
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Old Mar 21, 2015 | 10:19 AM
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Hey I'm the guy who asked you about the dual x pipe on youtube, and I didnt read your message till today and I already got the midpipes installed . Would deleting the secondary cats make it louder?
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Old Mar 21, 2015 | 09:29 PM
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Originally Posted by BayArea420
Hey I'm the guy who asked you about the dual x pipe on youtube, and I didnt read your message till today and I already got the midpipes installed . Would deleting the secondary cats make it louder?
I'm not too sure if deleting the secondary cat would make it noticeably louder. Like a resonator or muffler delete. But I assume deleting them would free up the exhaust flow which could make it a little louder.
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Old May 14, 2015 | 07:26 PM
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Does the car feel any faster over the previous setup? Any gains with the x pipe?
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Old May 15, 2015 | 09:54 PM
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Originally Posted by Heavyhitta
Does the car feel any faster over the previous setup? Any gains with the x pipe?
With the invidia q300 cat back it felt more restrictive than my new set-up. The new set-up feels more free flowing. I added the x-pipe to solely quiet down the exhaust just a tad. It was really loud, raspy, droned a lot, and had a fluttering idle noise. My muffler shop told me I needed an x-pipe to equalize the flow to get rid of the fluttering idle. I've read that x-pipe can give small gains but it isn't anything huge. Overall I'm really happy with the set-up because I feel the car picks up much faster than stock, found the perfect sound I wanted that is not being too obnoxiously loud but it is still loud with an aggressive tone and the video doesn't do it justice compared to in person.
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Old May 17, 2015 | 04:29 PM
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Originally Posted by JustBrosy
With the invidia q300 cat back it felt more restrictive than my new set-up. The new set-up feels more free flowing. I added the x-pipe to solely quiet down the exhaust just a tad. It was really loud, raspy, droned a lot, and had a fluttering idle noise. My muffler shop told me I needed an x-pipe to equalize the flow to get rid of the fluttering idle. I've read that x-pipe can give small gains but it isn't anything huge. Overall I'm really happy with the set-up because I feel the car picks up much faster than stock, found the perfect sound I wanted that is not being too obnoxiously loud but it is still loud with an aggressive tone and the video doesn't do it justice compared to in person.
Did you keep the resonators on aswell or are they deleted?
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Old May 17, 2015 | 06:54 PM
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Originally Posted by Heavyhitta
Did you keep the resonators on aswell or are they deleted?
It's deleted since true dual becomes 2 straight pipes.
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Old May 17, 2015 | 07:13 PM
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Originally Posted by JustBrosy
It's deleted since true dual becomes 2 straight pipes.
LOL thanks man. I'm mike on youtube if you haven't already noticed hahah. Thanks for all the info. I'm definately gonna go with a true dual setup like yours forsure. But most likely run 2.5" instead of 2.25.
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Old May 17, 2015 | 07:22 PM
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Originally Posted by Heavyhitta
LOL thanks man. I'm mike on youtube if you haven't already noticed hahah. Thanks for all the info. I'm definately gonna go with a true dual setup like yours forsure. But most likely run 2.5" instead of 2.25.
Awesome glad I could help you! Hopefully I'll see a post on here once you finish it.
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