Just installed Perrin 3" - 100% happy customer! - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

KSpider · 10-04-2013, 05:14 PM

It sounds amazing, startup, idle, throttle... with windows closed it is certainly not loud inside the cabin.

100% happy with the purchase.

xjohnx · 10-04-2013, 05:25 PM

full 3"? or does it bottlneck down to 2.25-2.5" where it bolts up to the front pipe?

KSpider · 10-04-2013, 05:26 PM

Quote:

Originally Posted by xjohnx

full 3"? or does it bottlneck down to 2.25-2.5" where it bolts up to the front pipe?

Front pipe is still stock.. I went with 3 mostly to allow for future front end mods if I eventually want to boost it etc.

MAPerformance · 10-04-2013, 05:30 PM

Love it man! Huge fan of their 3"

Get some video clips if you can.

xjohnx · 10-04-2013, 05:51 PM

Quote:

Originally Posted by KSpider

Front pipe is still stock.. I went with 3 mostly to allow for future front end mods if I eventually want to boost it etc.

If it's bolted up to the stock front pipe then it sounds like it's not a "true" full 3" system (As it would have to stepdown from 3"-2.5 or 2.25" in order to mate to the oem front pipe.), no? I wonder how much of a restriction that stepdown will be down the line when you decide to add boost.

PERRIN_Mladen · 10-04-2013, 06:06 PM

Quote:

Originally Posted by xjohnx

If it's bolted up to the stock front pipe then it sounds like it's not a "true" full 3" system (As it would have to stepdown from 3"-2.5 or 2.25" in order to mate to the oem front pipe.), no? I wonder how much of a restriction that stepdown will be down the line when you decide to add boost.

Our exhaust is 3" all the way through. The stock flange bolt is wide enough to mate up to our 3" flange and exhaust.

My assumption is, that when he does add boost, that he will change out the stock front pipe and make it a full 3" system.

xjohnx · 10-04-2013, 06:08 PM

Quote:

Originally Posted by PERRIN_Mladen

Our exhaust is 3" all the way through. The stock flange bolt is wide enough to mate up to our 3" flange and exhaust.

My assumption is, that when he does add boost, that he will change out the stock front pipe and make it a full 3" system.

Thanks for the clarification, that's what I was looking for.

KSpider · 10-04-2013, 06:12 PM

Quote:

Originally Posted by PERRIN_Mladen

Our exhaust is 3" all the way through. The stock flange bolt is wide enough to mate up to our 3" flange and exhaust.

My assumption is, that when he does add boost, that he will change out the stock front pipe and make it a full 3" system.

Thanks, this is correct!

10-04-2013, 05:14 PM	#1
KSpider Senior Member Join Date: Sep 2013 Drives: '14 S4 Location: San Marcos, CA Posts: 267 Thanks: 58 Thanked 93 Times in 54 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	Just installed Perrin 3" - 100% happy customer! It sounds amazing, startup, idle, throttle... with windows closed it is certainly not loud inside the cabin. 100% happy with the purchase. __________________ 2014 Audi S4 · 2010 xTerra Off-Road · 2014 Fiat 500e

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10-04-2013, 05:25 PM	#2
xjohnx Grip>Slip Join Date: Jun 2012 Drives: 13 SWP BRZ Ltd - Innovate Powered! Location: RVA Posts: 3,563 Thanks: 656 Thanked 1,717 Times in 1,031 Posts Mentioned: 45 Post(s) Tagged: 3 Thread(s)	full 3"? or does it bottlneck down to 2.25-2.5" where it bolts up to the front pipe?

10-04-2013, 05:30 PM	#4
MAPerformance Senior Member Join Date: Aug 2012 Drives: Asphalt FRS Location: Cottage Grove, MN Posts: 1,272 Thanks: 669 Thanked 981 Times in 540 Posts Mentioned: 84 Post(s) Tagged: 3 Thread(s)	Love it man! Huge fan of their 3" Get some video clips if you can.

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