Are you sure it was from Rotary Revs?Ninja_Freak wrote: ↑Sun Oct 28, 2018 2:38 pmStill loving my Active Exhaust and Decat Dual Resonator from Rotary Revs.
viewtopic.php?f=205&t=77964
Exhaust Options
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Re: Exhaust Options
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Re: Exhaust Options
RRP all the way! Great bit of kit and sounds gravy.
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Re: Exhaust Options
Rostyghost wrote: ↑Sat Oct 27, 2018 10:37 amI don't expect it to be quiet, but after viewing a few videos I think it will be good enough to drive in the city without feeling like a chav in a corsa with fisted exhaust box on the back and throaty enough to enjoy some motorway driving without radio on.
As someone who has run a Cobra for a while with a toyo decat, you won't be getting the desired volume out of it. You'll get an amazing and lovely tone, but it's quite loud.
I was 0.01db under the 100db limit at Castle Combe and hit 102db at Rockingham in a static test. It's louder when on the move as well.
That said, I didn't run it with a cat/ gutted cat so that may soften the volume a touch.
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Re: Exhaust Options
You did quite well there Dan I reckon. Even with the stock back box and just the Toyo mid pipe I'm 96db at 5500rpm and 99db at 6500rpm. (Depending on the tester preference at the track). It was measured at 78db when totally stock.Dr. FrankenRex wrote: ↑Wed Oct 31, 2018 10:26 amRostyghost wrote: ↑Sat Oct 27, 2018 10:37 amI don't expect it to be quiet, but after viewing a few videos I think it will be good enough to drive in the city without feeling like a chav in a corsa with fisted exhaust box on the back and throaty enough to enjoy some motorway driving without radio on.
As someone who has run a Cobra for a while with a toyo decat, you won't be getting the desired volume out of it. You'll get an amazing and lovely tone, but it's quite loud.
I was 0.01db under the 100db limit at Castle Combe and hit 102db at Rockingham in a static test. It's louder when on the move as well.
That said, I didn't run it with a cat/ gutted cat so that may soften the volume a touch.
Maybe some catbacks don't add that much in terms of raw volume? Even if they have a big influence on exhaust note?
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Re: Exhaust Options
Thanks for a bit of info. (:Dr. FrankenRex wrote: ↑Wed Oct 31, 2018 10:26 amRostyghost wrote: ↑Sat Oct 27, 2018 10:37 amI don't expect it to be quiet, but after viewing a few videos I think it will be good enough to drive in the city without feeling like a chav in a corsa with fisted exhaust box on the back and throaty enough to enjoy some motorway driving without radio on.
As someone who has run a Cobra for a while with a toyo decat, you won't be getting the desired volume out of it. You'll get an amazing and lovely tone, but it's quite loud.
I was 0.01db under the 100db limit at Castle Combe and hit 102db at Rockingham in a static test. It's louder when on the move as well.
That said, I didn't run it with a cat/ gutted cat so that may soften the volume a touch.
I guess, if it will be a nice sound, I'll probably overcome that shame of being noisy attention seeker on road. ;D
I also watched Essex Rotary's video about this exhaust (although I found it already after I placed an order) and with stock cat it reaches about 93db at 6500rpm. You can watch it here anyway just to recall good times: https://www.youtube.com/watch?v=g6fU7QUte1c
I think I'll be running stock cat with it. I really liked the way Toyosports catback did sound with stock cat, but at that time I was worried that premixing would kill it quickly. And I wouldn't go back to de-cat, no freaking way. Now, according to my research, if I'll jump over from Castrol to Idemitsu premix, extra clogging should be minimal hence ashless, so I don't think I'll be compaining too much.
Plus, I ordered them with black tips. That's something I was looking for for loooong time. Even done that on my previous car, but it wasn't proper ceramic coating anyway.
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Re: Exhaust Options
Hmm! My ghetto decat and Toyo cat back tests at 86db @ 6000rpmNew Duke wrote: ↑Wed Oct 31, 2018 6:15 pmYou did quite well there Dan I reckon. Even with the stock back box and just the Toyo mid pipe I'm 96db at 5500rpm and 99db at 6500rpm. (Depending on the tester preference at the track). It was measured at 78db when totally stock.Dr. FrankenRex wrote: ↑Wed Oct 31, 2018 10:26 amRostyghost wrote: ↑Sat Oct 27, 2018 10:37 amI don't expect it to be quiet, but after viewing a few videos I think it will be good enough to drive in the city without feeling like a chav in a corsa with fisted exhaust box on the back and throaty enough to enjoy some motorway driving without radio on.
As someone who has run a Cobra for a while with a toyo decat, you won't be getting the desired volume out of it. You'll get an amazing and lovely tone, but it's quite loud.
I was 0.01db under the 100db limit at Castle Combe and hit 102db at Rockingham in a static test. It's louder when on the move as well.
That said, I didn't run it with a cat/ gutted cat so that may soften the volume a touch.
Maybe some catbacks don't add that much in terms of raw volume? Even if they have a big influence on exhaust note?
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Sep 2005-Aug 2006 EO55 XOL VR 231 New
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Re: Exhaust Options
same here. was a lot lower than expected as i thought it was a lot louder!ChrisHolmes wrote: ↑Thu Nov 01, 2018 12:13 amHmm! My ghetto decat and Toyo cat back tests at 86db @ 6000rpmNew Duke wrote: ↑Wed Oct 31, 2018 6:15 pmYou did quite well there Dan I reckon. Even with the stock back box and just the Toyo mid pipe I'm 96db at 5500rpm and 99db at 6500rpm. (Depending on the tester preference at the track). It was measured at 78db when totally stock.Dr. FrankenRex wrote: ↑Wed Oct 31, 2018 10:26 am
As someone who has run a Cobra for a while with a toyo decat, you won't be getting the desired volume out of it. You'll get an amazing and lovely tone, but it's quite loud.
I was 0.01db under the 100db limit at Castle Combe and hit 102db at Rockingham in a static test. It's louder when on the move as well.
That said, I didn't run it with a cat/ gutted cat so that may soften the volume a touch.
Maybe some catbacks don't add that much in terms of raw volume? Even if they have a big influence on exhaust note?
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Re: Exhaust Options
You're all mis-reading what Duke said - he said mid-pipe, by which I'm presuming he means decat.
stock back box
Comparing it to a toyo cat-back is redundant...
stock back box
Comparing it to a toyo cat-back is redundant...
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Re: Exhaust Options
Thanks for pointing that out Dan, just shows though how critical that mid section is for noise reduction.
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Re: Exhaust Options
Sorry!! that's RRP not RR..Mpv2k3 wrote: ↑Sun Oct 28, 2018 3:42 pmAre you sure it was from Rotary Revs?Ninja_Freak wrote: ↑Sun Oct 28, 2018 2:38 pmStill loving my Active Exhaust and Decat Dual Resonator from Rotary Revs.
viewtopic.php?f=205&t=77964
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Re: Exhaust Options
Rostyghost thanks for the info i have just bought a pz prodrive back box off ebay from the dealer 80 sqiud WOW and your comments of standard cat and pz box is great news ....
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Re: Exhaust Options
Just to add.. I swapped from Toyo back box to OEM and it's much more civilized, though can understand why that doesn't suit some.
Mind you my Toyo one was absolutely knackered...
Mind you my Toyo one was absolutely knackered...
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Living with a rotary - 7 Years in
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Pete/Peter him/he/hrh couldn't really care as have 3 siblings and was lucky not to get called by the dogs name.
Living with a rotary - 7 Years in
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Re: Exhaust Options
Thread revival but... I'm gonna fit my Pettit catback myself now and was thinking of installing a cheap decat as I'm not sure on a decat yet I'm not bothered about the noise more the smell which everyone says is bad, I've never smelt a decat before so that's why I was gonna go cheap in case I don't like it (unless you think this is a bad idea). I was looking at this one on ebay but it says its 3" and tappers to a 2.5" to meet the OEM exhaust and I'm not sure it'll fit the pettit catback? https://www.ebay.co.uk/itm/351660805050 ... Sw6xZezO4j
Also extra question slightly on topic would pops and bangs affect the OEM cat in a bad way I'd assume so?
Also extra question slightly on topic would pops and bangs affect the OEM cat in a bad way I'd assume so?
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Re: Exhaust Options
Can confirm that the toyo decat pipe fits fine with the pettit if you've had an OEM cat attached to it Just be sure to use a decent donut gasket
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Re: Exhaust Options
The majority of aftermarket 3” cutbacks and decats “squeeze” down to 2 1/2” at the joints so that they can be mated to OE sections. This is also the case with tubular manifolds.
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Rotary History;
Sep 2005-Aug 2006 EO55 XOL VR 231 New
Oct 2014-Mar 2019 OE06 EWJ VR 231
Jan 2019-Jun 2020 T200 CAD Orange SC 231
Feb 2020-May 2023 RR54 AJR VR 231 Modified for Track
Oct 2020-Mar 2021 YA56 EUE Copper Red Nemesis
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Jun 2023-Jan2024 OV09 BFF Sparkling Black
Sep 2005-Aug 2006 EO55 XOL VR 231 New
Oct 2014-Mar 2019 OE06 EWJ VR 231
Jan 2019-Jun 2020 T200 CAD Orange SC 231
Feb 2020-May 2023 RR54 AJR VR 231 Modified for Track
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Re: Exhaust Options
Just watched the videos that's some piece of kitNinja_Freak wrote: ↑Sun Oct 28, 2018 2:38 pmStill loving my Active Exhaust and Decat Dual Resonator from Rotary Revs.
viewtopic.php?f=205&t=77964
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Re: Exhaust Options
Ryan rotary don't have any more, I tried to buy one a few months agoYORKSHIRE777 wrote: ↑Wed May 05, 2021 12:48 pmJust watched the videos that's some piece of kitNinja_Freak wrote: ↑Sun Oct 28, 2018 2:38 pmStill loving my Active Exhaust and Decat Dual Resonator from Rotary Revs.
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Re: Exhaust Options
I've got on at the moment standard manifold with Toyo Silenced De-Cat and Pettit Cat-Back, I can tell you now its LOUD! Idle sounds good, low rev's decent, but anything on building speed everyone will hear you. Oh, WOT is OMG! Pop's and Bangs without effort, flames, you will get some big one when its hot, lol.Nanotrox wrote: ↑Wed May 05, 2021 8:48 amThread revival but... I'm gonna fit my Pettit catback myself now and was thinking of installing a cheap decat as I'm not sure on a decat yet I'm not bothered about the noise more the smell which everyone says is bad, I've never smelt a decat before so that's why I was gonna go cheap in case I don't like it (unless you think this is a bad idea). I was looking at this one on ebay but it says its 3" and tappers to a 2.5" to meet the OEM exhaust and I'm not sure it'll fit the pettit catback? https://www.ebay.co.uk/itm/351660805050 ... Sw6xZezO4j
Also extra question slightly on topic would pops and bangs affect the OEM cat in a bad way I'd assume so?
My car is for fun so it doesn't matter for me and I will be changing it very soon, but if you want to use it daily then this is not for you.
Ill try get a few clips, but you will be in for a long wait as its always random should I take it out.
If you do De-Cat it with the Pettit set up, make sure get a proper decent sized silencers, not the tiny silly slim one that the ToyoSports has.
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Re: Exhaust Options
I’ve got standard manifold, RRP single res decat and petitt Catback. So pretty similar to Goobie. And his review and description is bang on. It’s great for summer fun car experience, you wouldn’t daily it. I really would like to see how much tamer the double res is in comparison.Goobie wrote: ↑Thu May 06, 2021 7:11 pmI've got on at the moment standard manifold with Toyo Silenced De-Cat and Pettit Cat-Back, I can tell you now its LOUD! Idle sounds good, low rev's decent, but anything on building speed everyone will hear you. Oh, WOT is OMG! Pop's and Bangs without effort, flames, you will get some big one when its hot, lol.Nanotrox wrote: ↑Wed May 05, 2021 8:48 amThread revival but... I'm gonna fit my Pettit catback myself now and was thinking of installing a cheap decat as I'm not sure on a decat yet I'm not bothered about the noise more the smell which everyone says is bad, I've never smelt a decat before so that's why I was gonna go cheap in case I don't like it (unless you think this is a bad idea). I was looking at this one on ebay but it says its 3" and tappers to a 2.5" to meet the OEM exhaust and I'm not sure it'll fit the pettit catback? https://www.ebay.co.uk/itm/351660805050 ... Sw6xZezO4j
Also extra question slightly on topic would pops and bangs affect the OEM cat in a bad way I'd assume so?
My car is for fun so it doesn't matter for me and I will be changing it very soon, but if you want to use it daily then this is not for you.
Ill try get a few clips, but you will be in for a long wait as its always random should I take it out.
If you do De-Cat it with the Pettit set up, make sure get a proper decent sized silencers, not the tiny silly slim one that the ToyoSports has.
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Kuro 174/500.
RRP midpipe (single resonator) w/ Pettit/Milltek cat-back, RRP MK2 Coils and MSD leads, AEM Cold Air Intake, RRP Custom Map, Royal Steering Wheels custom wheel. Mazdaspeed bodykit, Team Dynamics Pro Race 1.2s, Smoked LED rear lights, Stoney Racing Hose Kit, Lots of red in the engine bay.
#174’s journey: viewtopic.php?f=104&t=78506
RRP midpipe (single resonator) w/ Pettit/Milltek cat-back, RRP MK2 Coils and MSD leads, AEM Cold Air Intake, RRP Custom Map, Royal Steering Wheels custom wheel. Mazdaspeed bodykit, Team Dynamics Pro Race 1.2s, Smoked LED rear lights, Stoney Racing Hose Kit, Lots of red in the engine bay.
#174’s journey: viewtopic.php?f=104&t=78506
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Re: Exhaust Options
I only ever really use mine on weekends so I don't mind the noise (neighbours do lol) thanks for the info, if you do manage to get a clip of the sound that would be great!Goobie wrote: ↑Thu May 06, 2021 7:11 pmI've got on at the moment standard manifold with Toyo Silenced De-Cat and Pettit Cat-Back, I can tell you now its LOUD! Idle sounds good, low rev's decent, but anything on building speed everyone will hear you. Oh, WOT is OMG! Pop's and Bangs without effort, flames, you will get some big one when its hot, lol.Nanotrox wrote: ↑Wed May 05, 2021 8:48 amThread revival but... I'm gonna fit my Pettit catback myself now and was thinking of installing a cheap decat as I'm not sure on a decat yet I'm not bothered about the noise more the smell which everyone says is bad, I've never smelt a decat before so that's why I was gonna go cheap in case I don't like it (unless you think this is a bad idea). I was looking at this one on ebay but it says its 3" and tappers to a 2.5" to meet the OEM exhaust and I'm not sure it'll fit the pettit catback? https://www.ebay.co.uk/itm/351660805050 ... Sw6xZezO4j
Also extra question slightly on topic would pops and bangs affect the OEM cat in a bad way I'd assume so?
My car is for fun so it doesn't matter for me and I will be changing it very soon, but if you want to use it daily then this is not for you.
Ill try get a few clips, but you will be in for a long wait as its always random should I take it out.
If you do De-Cat it with the Pettit set up, make sure get a proper decent sized silencers, not the tiny silly slim one that the ToyoSports has.
40th Anniversary Edition 369/400 203rwhp
Engine Rebuild + Street Port - 24/09/2021
Lightened and balanced rotors
Pettit Catback
Smoked Rear S2 Style Taillights
Exedy Clutch
CC Ultra Lightweight Flywheel
CC Counterweight
Tein S.Tech Lowering Springs
Racing Beat Ram Air Intake
Footwell LEDs
Build thread: viewtopic.php?f=104&t=83328
Engine Rebuild + Street Port - 24/09/2021
Lightened and balanced rotors
Pettit Catback
Smoked Rear S2 Style Taillights
Exedy Clutch
CC Ultra Lightweight Flywheel
CC Counterweight
Tein S.Tech Lowering Springs
Racing Beat Ram Air Intake
Footwell LEDs
Build thread: viewtopic.php?f=104&t=83328
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Re: Exhaust Options
This video will most likely make you feel dizzy...... Basically, don't use a road legal track car to try do some filming.
Did a good 30 minutes, but all come out to bumpy etc and not idea to catch the sound but this will give you a little bit of a idea. Ill try again with a proper mounted camera with a mic on the outside.