I seem to recall that the 'Q' muffler is a better choice if the car is fitted with an entire exhaust. I have a PRHT and do notice a little 'Boominess' but roof down it is not a bother. Fill the boot with cardboard boxes, don't flatten them, if it reduces the annoyance perhaps you could line the boot with some deadening material.
Good luck.
Greg.
P.S. GWR no longer ship to Aus.
Picked up the new MX-5
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taminga16
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Re: Picked up the new MX-5
When you turn your car on, does it return the favour?
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CoachOz
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Re: Picked up the new MX-5
taminga16 wrote:I seem to recall that the 'Q' muffler is a better choice if the car is fitted with an entire exhaust. I have a PRHT and do notice a little 'Boominess' but roof down it is not a bother. Fill the boot with cardboard boxes, don't flatten them, if it reduces the annoyance perhaps you could line the boot with some deadening material.
Good luck.
Greg.
P.S. GWR no longer ship to Aus.
Agree that the Q is a better choice, but RS2 came with the car, so I need to find a work around or change the muffler. Bit hard to do the weekly shop with a boot full of cardboard boxes
GWR still ship to Australia, just that the freight or postage can double the price of the item
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Craig
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Re: Picked up the new MX-5
Looks like John B's old car, looks good!
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taminga16
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Re: Picked up the new MX-5
The weekly shop would be a perfect substitute for a stack of boxes. Someone in here lined the baulkhead behind the seats with sticky backed deadener. Is it still running the original exhaust?
Greg.
Greg.
When you turn your car on, does it return the favour?
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CoachOz
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Re: Picked up the new MX-5
taminga16 wrote:The weekly shop would be a perfect substitute for a stack of boxes. Someone in here lined the baulkhead behind the seats with sticky backed deadener. Is it still running the original exhaust?
Greg.
Actually I took the baffles out before I went shopping and had the boot full of the weekly shop on my way home - still painful
Standard exhaust forward of the muffler
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Cruisin Newy
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Re: Picked up the new MX-5
Hi all,
Congrats on the upgrade and looks a nice buy. Hope to soon do a joint run with MNC.....
cheers
Congrats on the upgrade and looks a nice buy. Hope to soon do a joint run with MNC.....
cheers
Mark
Now NC3 PRHT auto Krystal white
Cruisin Newy
Newcastle NSW
Now NC3 PRHT auto Krystal white
Cruisin Newy
Newcastle NSW
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CoachOz
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Re: Picked up the new MX-5
Thanks Mark - You're welcome to join us anytine
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taminga16
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Re: Picked up the new MX-5
Hi Coach,
Have you considered a stock muffler? I have one in my shed that has done very little.
Greg.
Have you considered a stock muffler? I have one in my shed that has done very little.
Greg.
When you turn your car on, does it return the favour?
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CoachOz
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Re: Picked up the new MX-5
Actually I'm tossing up between going back to stock or modifying the Roadster Sport. On Brian Goodwin's suggestion I've ordered a single glass baffle and will give that a try. He has also suggested changing the rear pipes from 2.5' TO 1.75" and I'll talk to my local shop about this option.
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CoachOz
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Re: Picked up the new MX-5
Craig wrote:Looks like John B's old car, looks good!
Yes, John's old car
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taminga16
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Re: Picked up the new MX-5
CoachOz wrote:Actually I'm tossing up between going back to stock or modifying the Roadster Sport. On Brian Goodwin's suggestion I've ordered a single glass baffle and will give that a try. He has also suggested changing the rear pipes from 2.5' TO 1.75" and I'll talk to my local shop about this option.
Have you considered increasing the length of the original baffles? I have a zero interference exhaust (Remus) fitted to my motorcycle and two drop in baffle of different lengths. You could even experiment with perferated tube.
Greg.
When you turn your car on, does it return the favour?
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Guran
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Re: Picked up the new MX-5
Looks great Peter. I love red NCs and often wonder why there are so few of them around. 
It's an excellent colour.
It's an excellent colour.Standard 2006 NC - YouTube
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WP 1:11.89 | SMP-S 1:05.90 GP 1:54.93 N 1:18.09 L 2:22.49 | PW 1:02.52
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Regie
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Re: Picked up the new MX-5
Id sell the RS muffler and throw the standard exhaust back on
Then with the money buy some headers! There are a few guys running with just headers on a std exhaust and it sounds awesome, not loud at all. and you will have a noticeable power increase
Then with the money buy some headers! There are a few guys running with just headers on a std exhaust and it sounds awesome, not loud at all. and you will have a noticeable power increase
MY07 NC, Mazdaspeed Body, Ohlins, Full GWR Exhaust, 17x9 RPF1's, 4.1FGR and lots lots more
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taminga16
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Re: Picked up the new MX-5
Regie wrote:Id sell the RS muffler and throw the standard exhaust back on
Then with the money buy some headers! There are a few guys running with just headers on a std exhaust and it sounds awesome, not loud at all. and you will have a noticeable power increase
My sentiments exactly, there would be no point choking it to death.
Greg.
When you turn your car on, does it return the favour?
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CoachOz
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Re: Picked up the new MX-5
taminga16 wrote:CoachOz wrote:Actually I'm tossing up between going back to stock or modifying the Roadster Sport. On Brian Goodwin's suggestion I've ordered a single glass baffle and will give that a try. He has also suggested changing the rear pipes from 2.5' TO 1.75" and I'll talk to my local shop about this option.
Have you considered increasing the length of the original baffles? I have a zero interference exhaust (Remus) fitted to my motorcycle and two drop in baffle of different lengths. You could even experiment with perferated tube.
Greg.
Kind of what I'm doing - the glass baffle is extra length with more insulation in it, so I'll see what difference that makes and see where I go from there
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