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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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07-01-2019, 12:40 AM | #1 |
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How much louder is Perrin 3inch Catback be 2.5inch Perrin catback?
I’m currently looking to trade my 2.5inch Perrin catback for their 3inch Perrin catback since I want a lil bit louder of an exhaust to go along with my Uel headers and dual resonated front pipe. I was just wondering if anyone truly knows how much louder the 3inch is compared to the 2.5?
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07-01-2019, 03:21 AM | #2 |
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To me 2.5in is way more DD and street tasteful on N/A car. I'd suggest trying a single exit muffled axle back before going 3in.
I mean, loud will go up, but so will the drone, and the sound won't seem as 'defined' more bassy and muddled. To answer: 3in to me sounds a lot louder |
07-01-2019, 09:55 AM | #3 |
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Depends on the rest of the setup; EL or UEL header? Catted? Full catless? Aftermarket downpipe.
I would say slightly louder with a better sound and proven to make slightly more power. |
07-01-2019, 11:03 AM | #4 | |
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Quote:
I have Tomei UEL Stock overpipe and dual resonated catless front pipe, and it sounds nice right now with a 2.5 but I want it just a tad bit louder so I was thinking of getting the 3inch but I wonder if it will even make a difference in loudness that much? |
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07-01-2019, 02:09 PM | #5 |
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Do you have the 2.5" perrin, now? if so, I wouldnt step up to the 3" for the $1k...not worth it.
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07-01-2019, 06:38 PM | #6 |
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