turboR
Senior Member
- First Name
- Joe
- Joined
- Sep 21, 2018
- Threads
- 7
- Messages
- 117
- Reaction score
- 78
- Location
- Newbury Park, CA
- Vehicle(s)
- 2018 CW CTR #18775 / 2002 NB Miata (track car)
- Thread starter
- #1
I feel like this exhaust deserves its own review post so here it is. I just sold it after daily driving with it for 1 month and put a little less than 1k miles on it before I parted with it. Please note I ran this exhaust only with stock downpipe. Ill start with my initial impressions that I posted in another thread:
GReddy Supreme SP- HG (tri tip) Installed Today....Initial Impressions
Just had the GReddy Supreme SP- HG (tri tip) exhaust installed today. Everything else is stock besides K&N drop in filter. The exhaust is not broken in yet so I don't want to give a full review, but I do have some initial impressions.
The fitment and finish are top notch. GReddy has always made an outstanding quality products and this exhaust is no exception.
The sound.....well when my car was pulled around to me when it was finished I absolutely loved the sound. Then I started driving it home. I have to be honest...for the first 30 miles I was regretting it. There is a lot of drone in the cabin. This is coming from someone who has had exhausts on all platforms of cars for over 10 years, from a fully built 04 Cobra to a daily driven Evo X with straight pipes and no cats (neither car bothered me daily). This exhaust is extremely bass heavy and does not really growl up top at higher RPMS as I wished it had.
After the first 30 or so miles and by the time I got home (about 60-70 miles total) the exhaust started to change a bit already, so I am feeling a little better about it. The drone is not as bad as when I first started driving it. Now how much better it gets remains to be seen. I was surprised that me of all people would be complaining about drone...I love loud exhausts. But there is a big difference between a loud exhaust and drone. This is the kind of drone that resonates in the cabin and the lower RPMs, so all freeway driving, the least desirable kind. My keychain was resting on the center console and was rattling from the cabin resonance when I was first driving it to give you all an idea.
I know others on here have commented on this issue, but me being me and loving loud exhausts I choose to ignore it and really wanted a JDM exhaust that kept the tri tip look...its so unique to the car. Currently GReddy is the only one I found that met that criteria that I liked. Im sure other JDM companies will come out with a tri tip design.
Others have also commented about loosing some power down low....and I have to say I unfortunately do agree. The car feels like it doesn't pickup as fast as it did down low. Up top I am not really sure if I gained anything, too hard to tell yet with just the drive home. I have no idea why this would happen. The only thing that comes to mind is that the car is tuned so well from the factory that even changing the cat back throws it out of wack just a little bit and therefore doe not take advantage of the aftermarket exhaust. The CTR is by FAR the best factory tuned turbo car that I have ever driven.
Updated Review after 1 month....decided to sell it!
Well what can I say....everything in my initial review write up is true. The drone did not get any better after the first week or so and it drove me crazy. I even installed Dynamat Extreme in the entire rear of the car (Ill probably make a post about it with installed pics later). The Dynamat did help with the drone and vibrations quite a bit, I'd say maybe 15-20% quieter at most...but it was not enough to keep me from being annoyed on a daily basis. Im still glad I put the Dynamat in though, I can actually hear the stock subwoofer attempt to do something now haha and the overall road noise has gone down drastically. I didn't mind adding a few lbs, its my DD as I have another car for track duty.
Some have commented that there are some slight burbles with the GReddy every now and then, and yes I did hear them sometimes, but they were so muted by the overall low tone that the mufflers put out that they were not really pronounced enough to make them enjoyable to me. Perhaps with a catless DP they would come alive...then again so would the drone lol. Another thing I wanted to mention is that due it putting out such a low tone, no turbo noise can be heard coming through the exhaust as it can with some exhaust that I've heard. Again maybe a catless DP would change that and it might not matter to some, just wanted to mention it.
As for the power loss down low...well I was not sure if it was some kind of Jedi mind trick from it being in my head about reading about it prior to the GReddy install, but as soon as I drove the car with my new HKS Hi-Power Spec-L Exhaust that I swapped to I can say for certain that in my opinion that the car DID loose some power down low. I don't know how to describe it other than it felt like added turbo lag. With my new HKS the car takes off MUCH quicker at lower RMSs...feels even quite a bit peppier than it was with the OEM exhaust. I'll also probably write a review at some point of the HKS Hi-Power Spec-L once I spend some more time with it and break it in since any info on it at all was very hard to come by on here.
So due to all of this, I sold it and could not be happier. Swapped to the HKS Hi-Power Spec-L as mentioned above, ZERO drone with the HKS. It's a shame really because the exhaust is really beautiful and is a top notch quality product. I am sure some people absolutely love it, everyone has different tastes and goals with their builds as they should. I just wanted to provide my experience for members on here to help them make an educated decision when researching what exhaust to get. Sometimes you just don't know until you buy it and install it for yourself as videos never can capture the sound as accurately as hearing it in person, especially since most videos are not recorded with professional microphones...and even then there are so many environmental factors that go into it that dictate how the mic picks it up. I hope this helps some of you out!
GReddy Supreme SP- HG (tri tip) Installed Today....Initial Impressions
Just had the GReddy Supreme SP- HG (tri tip) exhaust installed today. Everything else is stock besides K&N drop in filter. The exhaust is not broken in yet so I don't want to give a full review, but I do have some initial impressions.
The fitment and finish are top notch. GReddy has always made an outstanding quality products and this exhaust is no exception.
The sound.....well when my car was pulled around to me when it was finished I absolutely loved the sound. Then I started driving it home. I have to be honest...for the first 30 miles I was regretting it. There is a lot of drone in the cabin. This is coming from someone who has had exhausts on all platforms of cars for over 10 years, from a fully built 04 Cobra to a daily driven Evo X with straight pipes and no cats (neither car bothered me daily). This exhaust is extremely bass heavy and does not really growl up top at higher RPMS as I wished it had.
After the first 30 or so miles and by the time I got home (about 60-70 miles total) the exhaust started to change a bit already, so I am feeling a little better about it. The drone is not as bad as when I first started driving it. Now how much better it gets remains to be seen. I was surprised that me of all people would be complaining about drone...I love loud exhausts. But there is a big difference between a loud exhaust and drone. This is the kind of drone that resonates in the cabin and the lower RPMs, so all freeway driving, the least desirable kind. My keychain was resting on the center console and was rattling from the cabin resonance when I was first driving it to give you all an idea.
I know others on here have commented on this issue, but me being me and loving loud exhausts I choose to ignore it and really wanted a JDM exhaust that kept the tri tip look...its so unique to the car. Currently GReddy is the only one I found that met that criteria that I liked. Im sure other JDM companies will come out with a tri tip design.
Others have also commented about loosing some power down low....and I have to say I unfortunately do agree. The car feels like it doesn't pickup as fast as it did down low. Up top I am not really sure if I gained anything, too hard to tell yet with just the drive home. I have no idea why this would happen. The only thing that comes to mind is that the car is tuned so well from the factory that even changing the cat back throws it out of wack just a little bit and therefore doe not take advantage of the aftermarket exhaust. The CTR is by FAR the best factory tuned turbo car that I have ever driven.
Updated Review after 1 month....decided to sell it!
Well what can I say....everything in my initial review write up is true. The drone did not get any better after the first week or so and it drove me crazy. I even installed Dynamat Extreme in the entire rear of the car (Ill probably make a post about it with installed pics later). The Dynamat did help with the drone and vibrations quite a bit, I'd say maybe 15-20% quieter at most...but it was not enough to keep me from being annoyed on a daily basis. Im still glad I put the Dynamat in though, I can actually hear the stock subwoofer attempt to do something now haha and the overall road noise has gone down drastically. I didn't mind adding a few lbs, its my DD as I have another car for track duty.
Some have commented that there are some slight burbles with the GReddy every now and then, and yes I did hear them sometimes, but they were so muted by the overall low tone that the mufflers put out that they were not really pronounced enough to make them enjoyable to me. Perhaps with a catless DP they would come alive...then again so would the drone lol. Another thing I wanted to mention is that due it putting out such a low tone, no turbo noise can be heard coming through the exhaust as it can with some exhaust that I've heard. Again maybe a catless DP would change that and it might not matter to some, just wanted to mention it.
As for the power loss down low...well I was not sure if it was some kind of Jedi mind trick from it being in my head about reading about it prior to the GReddy install, but as soon as I drove the car with my new HKS Hi-Power Spec-L Exhaust that I swapped to I can say for certain that in my opinion that the car DID loose some power down low. I don't know how to describe it other than it felt like added turbo lag. With my new HKS the car takes off MUCH quicker at lower RMSs...feels even quite a bit peppier than it was with the OEM exhaust. I'll also probably write a review at some point of the HKS Hi-Power Spec-L once I spend some more time with it and break it in since any info on it at all was very hard to come by on here.
So due to all of this, I sold it and could not be happier. Swapped to the HKS Hi-Power Spec-L as mentioned above, ZERO drone with the HKS. It's a shame really because the exhaust is really beautiful and is a top notch quality product. I am sure some people absolutely love it, everyone has different tastes and goals with their builds as they should. I just wanted to provide my experience for members on here to help them make an educated decision when researching what exhaust to get. Sometimes you just don't know until you buy it and install it for yourself as videos never can capture the sound as accurately as hearing it in person, especially since most videos are not recorded with professional microphones...and even then there are so many environmental factors that go into it that dictate how the mic picks it up. I hope this helps some of you out!
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