Greddy rs or mxp comp rs - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

DubLord · 12-04-2018, 09:32 AM

Getting a catback soon. Either a greddy rs (single exit) or a mxp comp rs to go with my borla uel header. I've never heard either of these exhaust in person. Which sounds better? I'm going for a WRX type rumble.

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Vital · 12-04-2018, 09:34 AM

Quote:

Originally Posted by DubLord

Getting a catback soon. Either a greddy rs (single exit) or a mxp comp rs to go with my borla uel header. I've never heard either of these exhaust in person. Which sounds better? I'm going for a WRX type rumble.

Sent from my SM-G955U using Tapatalk

Either of those exhaust systems will give you the sound you're looking for. The main thing is having an UEL header.

DarkPira7e · 12-04-2018, 10:04 AM

Don't forget that the RS is a 3" exhaust system, the MXP exhaust isn't. I would imagine the RS will be louder and drone far worse. On that note, I'd still go with the RS because of weight savings, simplicity, and I love single exit

You're going to get the growl / rumble from the UEL headers. I have completely stock catback with UEL headers and mine has it so no matter what you pick, you'll be fine.

MCTeeJ · 12-04-2018, 11:48 AM

Greddy RS

edwardl · 12-04-2018, 06:37 PM

I have the Greddy RS and it drones really badly. Had to weld in one of these to reduce the drone. https://www.carchemistry.com/3-disk-insert-3-diameter/

ichitaka05 · 12-04-2018, 07:37 PM

UEL will give you boxer rumble more than catback. FYI Greddy is known for raspy. Some ppl put resonator to reduce the raspy sound and drone.

Trust86 · 12-04-2018, 09:25 PM

Why not a tomei 60s?

DubLord · 12-04-2018, 09:38 PM

Quote:

Originally Posted by Trust86

Why not a tomei 60s?

It cost a little bit more then I'd like to spend

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tyler_win_photo · 12-05-2018, 12:04 AM

Greddy RS will be insanely loud with the uel.

MXP comp will be more suited to your setup.

Ideally if you're aiming to be tuned in the future, you'd want 2.5" piping at least. Whereas the Tomei is 2.3" or so.

Trust86 · 12-05-2018, 04:07 AM

Exhaust piping that far back, gains a minimal, won’t even notice a difference, especially being n/a. I’m boosted with oem midpipe and it’s perfectly fine.

MCTeeJ · 12-05-2018, 08:56 AM

If other single exits are in the running I'd recommend the Tanabe Concept G. It's loud, but only outside the cabin. 0 drone but with a clear sound. My car is fully catless and I daily it with this exhaust. My commute until i recently moved closer to work was about 30 minutes on the highway at 3500 rpm.

edwardl · 12-05-2018, 10:09 AM

Quote:

Originally Posted by ichitaka05

UEL will give you boxer rumble more than catback. FYI Greddy is known for raspy. Some ppl put resonator to reduce the raspy sound and drone.

No rasp with my RS. Rest of exhaust is stock, however.

ichitaka05 · 12-05-2018, 10:12 AM

Quote:

Originally Posted by edwardl

No rasp with my RS. Rest of exhaust is stock, however.

All of ones that I’ve heard had header &/or front pipe mods w their RS and have been pretty raspy. Maybe front pipe is keeping the rasp away.

edwardl · 12-05-2018, 01:59 PM

Quote:

Originally Posted by ichitaka05

All of ones that I’ve heard had header &/or front pipe mods w their RS and have been pretty raspy. Maybe front pipe is keeping the rasp away.

Combination of cats + stock resonator possibly?

12-04-2018, 09:32 AM	#1
DubLord Member Join Date: Jun 2018 Drives: 2013 Scion FR-S 10 Series Location: Chicago Posts: 11 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Greddy rs or mxp comp rs Getting a catback soon. Either a greddy rs (single exit) or a mxp comp rs to go with my borla uel header. I've never heard either of these exhaust in person. Which sounds better? I'm going for a WRX type rumble. Sent from my SM-G955U using Tapatalk

12-04-2018, 07:37 PM	#6
ichitaka05 Site Moderator Join Date: Oct 2009 Drives: ichi 86 Project Location: Middle of No where Posts: 20,963 Thanks: 7,662 Thanked 19,049 Times in 8,324 Posts Mentioned: 677 Post(s) Tagged: 27 Thread(s)	UEL will give you boxer rumble more than catback. FYI Greddy is known for raspy. Some ppl put resonator to reduce the raspy sound and drone. __________________

12-05-2018, 12:04 AM	#9
tyler_win_photo Senior Member Join Date: Dec 2013 Drives: 2014 Scion FRS (Asphalt) Location: Redmond, WA Posts: 553 Thanks: 36 Thanked 171 Times in 141 Posts Mentioned: 6 Post(s) Tagged: 2 Thread(s)	Greddy RS will be insanely loud with the uel. MXP comp will be more suited to your setup. Ideally if you're aiming to be tuned in the future, you'd want 2.5" piping at least. Whereas the Tomei is 2.3" or so. __________________ AVO Stage 2 Turbo Build Thread https://wheelwell.com/tyler-nguyen-1...014-scion-fr-s

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12-04-2018, 10:04 AM	#3
DarkPira7e Rust bucket enthusiast Join Date: Feb 2017 Drives: 2013 Turbo Firestorm FRS Location: Vermont Posts: 3,932 Thanks: 3,198 Thanked 4,095 Times in 2,045 Posts Mentioned: 31 Post(s) Tagged: 0 Thread(s)	Don't forget that the RS is a 3" exhaust system, the MXP exhaust isn't. I would imagine the RS will be louder and drone far worse. On that note, I'd still go with the RS because of weight savings, simplicity, and I love single exit You're going to get the growl / rumble from the UEL headers. I have completely stock catback with UEL headers and mine has it so no matter what you pick, you'll be fine.

12-04-2018, 06:37 PM	#5
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) Tagged: 0 Thread(s)	I have the Greddy RS and it drones really badly. Had to weld in one of these to reduce the drone. https://www.carchemistry.com/3-disk-insert-3-diameter/

12-04-2018, 09:25 PM	#7
Trust86 Senior Member Join Date: Sep 2015 Drives: 2016 Halo FRS Location: US Posts: 414 Thanks: 290 Thanked 161 Times in 106 Posts Mentioned: 8 Post(s) Tagged: 0 Thread(s)	Why not a tomei 60s?

12-05-2018, 04:07 AM	#10
Trust86 Senior Member Join Date: Sep 2015 Drives: 2016 Halo FRS Location: US Posts: 414 Thanks: 290 Thanked 161 Times in 106 Posts Mentioned: 8 Post(s) Tagged: 0 Thread(s)	Exhaust piping that far back, gains a minimal, won’t even notice a difference, especially being n/a. I’m boosted with oem midpipe and it’s perfectly fine.

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