What has changed in the exhaust from 2016 to 2017? (GReddy revolution) - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

edwardl · 08-05-2018, 10:23 AM

I see that GReddy has changed their Revolution single exit exhaust to exit out of the right side of the car on the 2017+ as opposed to the left exit of the 2013-2016. Has anything changed on the factory exhaust between these model years or was this just a design decision by GReddy and either exhaust can fit on either model? I've seen some sites list the exhaust as 2013+ and some as 2013-2016.

gpvecchi · 08-05-2018, 11:19 AM

They changed the flange between backbox and center pipe. So, if you buy a catback, anyone will fit, if you buy an axleback, you'll need the one for your car...

SuperTom · 08-05-2018, 04:01 PM

Yep the axle back portion changed on the newer models. Not sure why they would change the design to add more bends and piping

edwardl · 08-10-2018, 05:20 PM

https://www.redline360.com/greddy-rs...BoCY7sQAvD_BwE

Up to 2016 only - Single exit exhaust - 3" piping - Includes resonator.
Note: * not compatible with 2017 models

Now I don't know what to think

SuperTom · 08-10-2018, 06:02 PM

Quote:

Originally Posted by edwardl

https://www.redline360.com/greddy-rs...BoCY7sQAvD_BwE

Up to 2016 only - Single exit exhaust - 3" piping - Includes resonator.
Note: * not compatible with 2017 models

Now I don't know what to think

Forget the axlebacks on newer models just get a full catback to be safe.

edwardl · 08-10-2018, 10:30 PM

Quote:

Originally Posted by SuperTom

Forget the axlebacks on newer models just get a full catback to be safe.

It IS a catback though that's why Im confused! Might just go for it and hope you guys are right.

So their store page for the exhuast for the 17-18 86 also says not compatible for 17 models so who know wtf they're talking about lol...

tomm.brz · 08-11-2018, 07:22 AM

I have a +17 axleback and a <16 midpipe, though they have different connections and should not be compatible, i have mounted them without leaks or problems

deca · 05-08-2019, 04:32 PM

Sorry to bump an old thread, but is there any further information on this? I have a 2017 86 and am interested in the older part, I just prefer the look of the left exit.

I'm having a hard time determining why the change was made and whether or not the older part fits correctly on newer cars.

maslin · 05-08-2019, 04:53 PM

Quote:

Originally Posted by deca

Sorry to bump an old thread, but is there any further information on this? I have a 2017 86 and am interested in the older part, I just prefer the look of the left exit.

I'm having a hard time determining why the change was made and whether or not the older part fits correctly on newer cars.

I have a '13 TRD cat back on my '17, fit perfectly. I've also heard the axle back portion changed, so the mid pipe and muffler are different. If you switch the whole thing it doesn't matter.

Tcoat · 05-08-2019, 05:24 PM

Quote:

Originally Posted by deca

Sorry to bump an old thread, but is there any further information on this? I have a 2017 86 and am interested in the older part, I just prefer the look of the left exit.

I'm having a hard time determining why the change was made and whether or not the older part fits correctly on newer cars.

Exhaust changes are explained in here they would have had to change to match them.

What Mas said!

deca · 05-08-2019, 06:37 PM

Thank you for the responses, lots of good info in that document!

I'm still somewhat confused regarding the the Revolution RS catback specifically. Based on the changes listed and others' accounts of full catback systems having no compatibility problems with MY2017+, I just don't understand why the design of this exhaust was changed.

edwardl · 05-10-2019, 03:12 PM

Quote:

Originally Posted by deca

Sorry to bump an old thread, but is there any further information on this? I have a 2017 86 and am interested in the older part, I just prefer the look of the left exit.

I'm having a hard time determining why the change was made and whether or not the older part fits correctly on newer cars.

I ended up going with the 13-16 version and it fits perfect. Buy with confidence!

08-05-2018, 10:23 AM	#1
edwardl Senior Member Join Date: Jun 2018 Drives: 2018 BRZ Location: New Jersey Posts: 117 Thanks: 2 Thanked 49 Times in 25 Posts Mentioned: 1 Post(s)	What has changed in the exhaust from 2016 to 2017? (GReddy revolution) I see that GReddy has changed their Revolution single exit exhaust to exit out of the right side of the car on the 2017+ as opposed to the left exit of the 2013-2016. Has anything changed on the factory exhaust between these model years or was this just a design decision by GReddy and either exhaust can fit on either model? I've seen some sites list the exhaust as 2013+ and some as 2013-2016.

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08-05-2018, 11:19 AM	#2
gpvecchi Senior Member Join Date: Mar 2018 Drives: Toyota 86 GT Limited PP (Model G) Location: Italy Posts: 1,052 Thanks: 414 Thanked 359 Times in 202 Posts Mentioned: 14 Post(s)	They changed the flange between backbox and center pipe. So, if you buy a catback, anyone will fit, if you buy an axleback, you'll need the one for your car...

08-05-2018, 04:01 PM	#3
SuperTom Senior Member Join Date: Feb 2014 Drives: C5, GT-86, '24 Colorado TrailBoss Location: New Castle DE Posts: 1,576 Thanks: 1,682 Thanked 1,049 Times in 582 Posts Mentioned: 6 Post(s)	Yep the axle back portion changed on the newer models. Not sure why they would change the design to add more bends and piping

08-10-2018, 05:20 PM	#4
edwardl Senior Member Join Date: Jun 2018 Drives: 2018 BRZ Location: New Jersey Posts: 117 Thanks: 2 Thanked 49 Times in 25 Posts Mentioned: 1 Post(s)	https://www.redline360.com/greddy-rs...BoCY7sQAvD_BwE Up to 2016 only - Single exit exhaust - 3" piping - Includes resonator. Note: * not compatible with 2017 models Now I don't know what to think

08-11-2018, 07:22 AM	#7
tomm.brz Senior Member Join Date: Jan 2017 Drives: brz 2017 hksv2 Location: italy Posts: 2,292 Thanks: 517 Thanked 1,125 Times in 815 Posts Mentioned: 70 Post(s)	I have a +17 axleback and a <16 midpipe, though they have different connections and should not be compatible, i have mounted them without leaks or problems

05-08-2019, 04:32 PM	#8
deca Member Join Date: Feb 2019 Drives: Halo 860 Location: Michigan Posts: 85 Thanks: 14 Thanked 24 Times in 18 Posts Mentioned: 2 Post(s)	Sorry to bump an old thread, but is there any further information on this? I have a 2017 86 and am interested in the older part, I just prefer the look of the left exit. I'm having a hard time determining why the change was made and whether or not the older part fits correctly on newer cars.

05-08-2019, 06:37 PM	#11
deca Member Join Date: Feb 2019 Drives: Halo 860 Location: Michigan Posts: 85 Thanks: 14 Thanked 24 Times in 18 Posts Mentioned: 2 Post(s)	Thank you for the responses, lots of good info in that document! I'm still somewhat confused regarding the the Revolution RS catback specifically. Based on the changes listed and others' accounts of full catback systems having no compatibility problems with MY2017+, I just don't understand why the design of this exhaust was changed.

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