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Old 08-16-2022, 07:08 AM   #1
wang0528
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Arrow 21 ss exhaust

Hi guys,
I just bought my dream car last year(21 2ss) and def felt the car was too quiet, so I went with MBRP axle back and sec cats delete, but the drone is kind of annoying sometimes. I tried the Borla S-type for a bit, but it was too quiet...
thinking about getting a mid pipe but the afm valves are a pain to deal with, I heard the ss X-pipe is resonated, is that true? would I notice any difference if I went with Borla mid pipe with afm valves?
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Old 08-16-2022, 07:57 AM   #2
lownslowss
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zero drone with AWE system and secondaries removed. I drove ~20k miles like this. My old car was one of the first systems out in the wild.
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Old 08-16-2022, 09:45 AM   #3
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zero drone with AWE system and secondaries removed. I drove ~20k miles like this. My old car was one of the first systems out in the wild.
touring, right? The race system is known drone machine.
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Old 08-16-2022, 09:47 AM   #4
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Originally Posted by wang0528 View Post
Hi guys,
I just bought my dream car last year(21 2ss) and def felt the car was too quiet, so I went with MBRP axle back and sec cats delete, but the drone is kind of annoying sometimes. I tried the Borla S-type for a bit, but it was too quiet...
thinking about getting a mid pipe but the afm valves are a pain to deal with, I heard the ss X-pipe is resonated, is that true? would I notice any difference if I went with Borla mid pipe with afm valves?
Drone or your didn't like the sound? Drone reverbs in the cabin and will give you a headache, the MBRP's Heimholtz resonators should have tamed this reason I'm asking about your description of it.
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Old 08-16-2022, 03:32 PM   #5
wang0528
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it kinda gives me a headache at 2k rpm
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Old 08-16-2022, 10:28 PM   #6
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touring, right? The race system is known drone machine.
Yes. Touring.
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Old 08-17-2022, 05:11 AM   #7
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Headers with cats going into the stock NPP is best of both worlds.
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Old 08-17-2022, 07:59 AM   #8
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Headers with cats going into the stock NPP is best of both worlds.
Yup, that's what I have, it works great and sounds fantastic. Zero drone, difference between quiet and loud mode amplified further—still a perfect cruiser with the valves closed and an absolute snarling monster with them open.

That said, the "factory rasp" is a bit stronger, too, which may not be to everyone's liking, many prefer the raspless "low hum" of a Borla.
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Old 08-17-2022, 08:45 PM   #9
wang0528
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too late,, already sold the suitcase lol,,, also I don't wanna mess with the warranty
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Old 08-18-2022, 05:44 PM   #10
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Quote:
Originally Posted by Spaceme1117 View Post
Headers with cats going into the stock NPP is best of both worlds.
Yup that’s what I have as well. However I’m debating getting a Corsa NPP. I want a little louder but still be able to tame it. But I like what I have now, I don’t want to regret it lol.
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Old 08-18-2022, 05:54 PM   #11
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i dont wanna touch the ECU so i cant touch the headers
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