Invidia NEW Over pipe. - Page 3 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

SmsAlSuwaidi · 01-13-2014, 10:44 AM

Quote:

Originally Posted by ramiram1984

And that's def what she said, too.

X2

Sent from my IBrick

Thongpocket · 01-13-2014, 10:45 AM

I have a question. This pipe is 60mm. The N1 Invidia I have on my car is 65mm. Most headers also have a 65mm outlet. Would this smaller diameter pipe be an issue for performace versus a 65mm overpipe from someone like MOtiv? I beleive in Invidia and will probably buy this but wanted some opinions. Given that our engines NA dont flow massive CFM's of air I would assume its not an issue and would only expedite the expulsion of the exhaust once it leaves the overpipe. Thoughts?

jm1681 · 01-13-2014, 12:37 PM

Way I see it, there is a pressure differential to be taken advantage of, as the overpipe is in-between two cats. Reducing pressure behind the first cat should aid flow through it, and increasing volume into the second cat can't be a bad thing, right?

Thongpocket · 01-13-2014, 01:14 PM

Unless you have no second cat as I do. Lol

Sent from my XT1080 using Tapatalk

OrbitalEllipses · 01-13-2014, 01:14 PM

Quote:

Originally Posted by SmsAlSuwaidi

Because bigger is always better

That's what she said.

hehehe

kurbkilla · 01-13-2014, 01:25 PM

Quote:

Originally Posted by Thongpocket

I have a question. This pipe is 60mm. The N1 Invidia I have on my car is 65mm. Most headers also have a 65mm outlet.

Sorry to disappoint, but you do not have 65mm exhaust. You have 60mm (2.3") with 101mm Tips per their website here.

To my knowledge this is the same for most exhaust and headers leading to my topic about exhaust sizing here.

FR-S Matt · 01-13-2014, 01:33 PM

I have a full Invidia Q300 exhaust, minus the overpipe. The entire piping from the front pipe to the tips is 60mm (2.36")

1086 · 01-13-2014, 01:35 PM

what would replacing my stock OP really do for me?

JS + BRZ · 01-13-2014, 02:10 PM

Quote:

Originally Posted by 1086

what would replacing my stock OP really do for me?

Ask your gf if bigger is always better.

FR-S Matt · 01-13-2014, 03:01 PM

Quote:

Originally Posted by 1086

what would replacing my stock OP really do for me?

Replacing everything up to the catback is worthwhile. The stock system is restrictive big time. Pick your flavor of catback.

I like the Invidia system because it's a great design, nice and straight. (no homo)

fazm · 01-13-2014, 03:48 PM

Seems like a solid choice for an entire system with cats would be:

FT-86Speed Catted Header
This overpipe
Whichever lightweight 2.5 exhaust suits your fancy.

What do you call overpipe back? Catback?

Seattle944t · 01-13-2014, 11:32 PM

Quote:

Originally Posted by fazm

Seems like a solid choice for an entire system with cats would be:

FT-86Speed Catted Header
This overpipe
Whichever lightweight 2.5 exhaust suits your fancy.

What do you call overpipe back? Catback?

Front pipe + catback is the overpipe back. Front pipe is the 2nd cat and attaches to the overpipe before the catback.

FR-S Matt · 01-14-2014, 06:49 AM

Quote:

Originally Posted by fazm

Seems like a solid choice for an entire system with cats would be:

FT-86Speed Catted Header
This overpipe
Whichever lightweight 2.5 exhaust suits your fancy.

What do you call overpipe back? Catback?

Headerback.

ChandlerSwyng · 01-16-2014, 09:20 AM

Has anyone installed this yet?

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01-13-2014, 10:45 AM	#30
Thongpocket Master Troll Join Date: May 2012 Drives: 2013 BRZ Limited Location: Charleston, SC Posts: 399 Thanks: 110 Thanked 77 Times in 46 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	I have a question. This pipe is 60mm. The N1 Invidia I have on my car is 65mm. Most headers also have a 65mm outlet. Would this smaller diameter pipe be an issue for performace versus a 65mm overpipe from someone like MOtiv? I beleive in Invidia and will probably buy this but wanted some opinions. Given that our engines NA dont flow massive CFM's of air I would assume its not an issue and would only expedite the expulsion of the exhaust once it leaves the overpipe. Thoughts?

01-13-2014, 12:37 PM	#31
jm1681 Senior Member Join Date: Jul 2012 Drives: MKVI VW GTI Location: Suffern, NY Posts: 344 Thanks: 156 Thanked 38 Times in 32 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Way I see it, there is a pressure differential to be taken advantage of, as the overpipe is in-between two cats. Reducing pressure behind the first cat should aid flow through it, and increasing volume into the second cat can't be a bad thing, right?

01-13-2014, 01:14 PM	#32
Thongpocket Master Troll Join Date: May 2012 Drives: 2013 BRZ Limited Location: Charleston, SC Posts: 399 Thanks: 110 Thanked 77 Times in 46 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Unless you have no second cat as I do. Lol Sent from my XT1080 using Tapatalk

01-13-2014, 01:35 PM	#36
1086 Senior Member Join Date: Nov 2013 Drives: UM86 - 6MT Location: CA (elevation 85 ft.) Posts: 518 Thanks: 383 Thanked 249 Times in 126 Posts Mentioned: 6 Post(s) Tagged: 0 Thread(s)	what would replacing my stock OP really do for me?

01-13-2014, 03:48 PM	#39
fazm Senior Member Join Date: Oct 2013 Drives: 2014 FR-S Location: Dallas, Tx Posts: 149 Thanks: 60 Thanked 32 Times in 29 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Seems like a solid choice for an entire system with cats would be: FT-86Speed Catted Header This overpipe Whichever lightweight 2.5 exhaust suits your fancy. What do you call overpipe back? Catback?

01-16-2014, 09:20 AM	#42
ChandlerSwyng Senior Member Join Date: Feb 2013 Drives: 2013 Red Subaru Brz Location: Phoenix Posts: 699 Thanks: 111 Thanked 207 Times in 133 Posts Mentioned: 9 Post(s) Tagged: 0 Thread(s)	Has anyone installed this yet?

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