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Need 'quiet' muffler for Subaru EJ25 engine
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chompy
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PostPosted: Mon Dec 30, 2019 7:03 pm    Post subject: Re: Need 'quiet' muffler for Subaru EJ25 engine Reply with quote

That's interesting. Do you have any pictures of it installed? Do you have custom headers?
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wesitarz
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PostPosted: Wed Jan 01, 2020 3:11 am    Post subject: Re: Need 'quiet' muffler for Subaru EJ25 engine Reply with quote

I've had a Porsche 911 muffler (77-78 vintage) for about 14 years. It looks and performs the same as the day I put it in. Nice growl & tone. Got a Smallcar ceramic coated header at the same time to fit the 911 muffler with a Vw cat. The header has held up well with no cracks and just losing some coating under the trans. What I thought was an intake howl was actually a leak between the cat and the muffler. Sealed it by using Permatex Copper with the gasket. Now the intake is quite acceptable even with an open cylindrical K&N filter fitted into the D-pillar box & just blocked off from the engine using abs.
At the time the EBay 911 muffler with shipping cost me about the same as a stock VW 2.1 muffler. They are more expensive now if you can find one.
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Kombi///M3
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PostPosted: Wed Jul 29, 2020 4:31 pm    Post subject: Re: Need 'quiet' muffler for Subaru EJ25 engine Reply with quote

wesitarz wrote:
I've had a Porsche 911 muffler (77-78 vintage) for about 14 years. It looks and performs the same as the day I put it in. Nice growl & tone. Got a Smallcar ceramic coated header at the same time to fit the 911 muffler with a Vw cat. The header has held up well with no cracks and just losing some coating under the trans. What I thought was an intake howl was actually a leak between the cat and the muffler. Sealed it by using Permatex Copper with the gasket. Now the intake is quite acceptable even with an open cylindrical K&N filter fitted into the D-pillar box & just blocked off from the engine using abs.
At the time the EBay 911 muffler with shipping cost me about the same as a stock VW 2.1 muffler. They are more expensive now if you can find one.


Any chance you can post some pics?
Thanks
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wesitarz
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PostPosted: Wed Jul 29, 2020 8:14 pm    Post subject: Re: Need 'quiet' muffler for Subaru EJ25 engine Reply with quote

Kombi///M3 wrote:
wesitarz wrote:
I've had a Porsche 911 muffler (77-78 vintage) for about 14 years. It looks and performs the same as the day I put it in. Nice growl & tone. Got a Smallcar ceramic coated header at the same time to fit the 911 muffler with a Vw cat. The header has held up well with no cracks and just losing some coating under the trans. What I thought was an intake howl was actually a leak between the cat and the muffler. Sealed it by using Permatex Copper with the gasket. Now the intake is quite acceptable even with an open cylindrical K&N filter fitted into the D-pillar box & just blocked off from the engine using abs.
At the time the EBay 911 muffler with shipping cost me about the same as a stock VW 2.1 muffler. They are more expensive now if you can find one.


Any chance you can post some pics?
Thanks

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a914622
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PostPosted: Fri Jul 31, 2020 5:37 pm    Post subject: Re: Need 'quiet' muffler for Subaru EJ25 engine Reply with quote

The hush 2 muffler works great . But it needs some pipe on the down side of the muffler( outside of the engine bay) and a down turn is a pluss

I have 10 years in mine
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Franklinstower
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PostPosted: Fri Jul 31, 2020 7:50 pm    Post subject: Re: Need 'quiet' muffler for Subaru EJ25 engine Reply with quote

wesitarz wrote:
Kombi///M3 wrote:
wesitarz wrote:
I've had a Porsche 911 muffler (77-78 vintage) for about 14 years. It looks and performs the same as the day I put it in. Nice growl & tone. Got a Smallcar ceramic coated header at the same time to fit the 911 muffler with a Vw cat. The header has held up well with no cracks and just losing some coating under the trans. What I thought was an intake howl was actually a leak between the cat and the muffler. Sealed it by using Permatex Copper with the gasket. Now the intake is quite acceptable even with an open cylindrical K&N filter fitted into the D-pillar box & just blocked off from the engine using abs.
At the time the EBay 911 muffler with shipping cost me about the same as a stock VW 2.1 muffler. They are more expensive now if you can find one.


Any chance you can post some pics?
Thanks


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my 911 muffler sits up much higher than that...but I built a custom mount for it and fabbed the header to muffler "J" pipe. I also notched the engine bar to get it as high as possible.

I can't find my most recent pic's of it...I'll keep looking. or take some new ones when I get to it.
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vik
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PostPosted: Fri Jul 31, 2020 9:19 pm    Post subject: Re: Need 'quiet' muffler for Subaru EJ25 engine Reply with quote

Not sure if you can get them on the other side of the pond. Yesterday I got silencer from J P Group Denmark fitted and it is super quiet. I barely hear the car when idling.
for reference: https://www.brickwerks.co.uk/t3-parts/engine/petro...-late.html
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wesitarz
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PostPosted: Sat Aug 01, 2020 6:26 am    Post subject: Re: Need 'quiet' muffler for Subaru EJ25 engine Reply with quote

"my 911 muffler sits up much higher than that...but I built a custom mount for it and fabbed the header to muffler "J" pipe. I also notched the engine bar to get it as high as possible."

I was not interested in any fabrication at the time and the height has been OK.Besides, I like showing everybody my big banana.
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CarlSpackler
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PostPosted: Mon Dec 04, 2023 8:26 am    Post subject: Re: Need 'quiet' muffler for Subaru EJ25 engine Reply with quote

I'm looking for a new muffler for my '91 Vanagon with an ej25 and KEP header with cat. Many of the links in this thread no longer work, so I thought I'd bring it back to the top and see if anyone has any current suggestions.

Thanks in advance.
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0cean
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PostPosted: Mon Dec 04, 2023 10:42 am    Post subject: Re: Need 'quiet' muffler for Subaru EJ25 engine Reply with quote

Any long as possible magna flow muffler is an excellent option. They can really quite down an engine at a ok price.
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wesitarz
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PostPosted: Tue Dec 05, 2023 10:04 pm    Post subject: Re: Need 'quiet' muffler for Subaru EJ25 engine Reply with quote

CarlSpackler wrote:
I'm looking for a new muffler for my '91 Vanagon with an ej25 and KEP header with cat. Many of the links in this thread no longer work, so I thought I'd bring it back to the top and see if anyone has any current suggestions.

Thanks in advance.


The KEP header is a maxed out unequal length header, so you are going to have the Subaru rumble. Walker QuietFlow 6 inch round?
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W1K1
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PostPosted: Wed Dec 06, 2023 2:32 pm    Post subject: Re: Need 'quiet' muffler for Subaru EJ25 engine Reply with quote

I used a walker quietflow on my EJ2.5 swap with the kep header and cat, I just started driving it but I like it nice and subdued, not loud like the rice racer boys around town.

And I used a late 90's V6 ranger airbox and tube for the intake so it's not noisy either. plus it has connections for the evap lines, and a maf sensor slot built in the box, if you need one

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tim_ha
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PostPosted: Wed Dec 06, 2023 4:39 pm    Post subject: Re: Need 'quiet' muffler for Subaru EJ25 engine Reply with quote

Solo Stealth Muffler Series:
https://shop-solo-performance.com/13-stealth-muffler-series

This is the muffler that RMW now includes with their conversion kit. They come in many configurations on the Solo site. I recently replaced my old magnaflow straight through muffler with one of these and am very happy with the reduced noise and no noticeable reduction in performance.
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CarlSpackler
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PostPosted: Mon Dec 11, 2023 8:42 am    Post subject: Re: Need 'quiet' muffler for Subaru EJ25 engine Reply with quote

Thanks for the input. Which Stealth did you use? There are quite a few on the link you included.
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tim_ha
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PostPosted: Mon Dec 11, 2023 9:01 am    Post subject: Re: Need 'quiet' muffler for Subaru EJ25 engine Reply with quote

Sorry for not being more explicit. I used the RMW conversion kit when I converted back in 2012. So, it was a no-brainer... I ordered the VanCafe/RMW stealth retrofit kit which included a Solo Stealth muffler.

Kit here:
https://vancafe.com/stealth-muffler-retrofit-kit-for-rmw-subaru-conversion/

VanCafe also sells just the muffler:
https://vancafe.com/stealth-ss-muffler/

Based on the specs on the VanCafe page, it must be this one:
https://shop-solo-performance.com/stealth-muffler-series/1579-stl-29.html

Interesting that it is way cheaper form VanCafe.
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