TOY: Exhaust suggestions?

[Chuck <cgreco@xxxxxxxxx>]

Hey guys, I'm looking to add a cat-back exhaust system to my '95 
4Runner(3.0L V6) and I'm wondering what you all would recommend for a 
pipe diameter. I'm using Downey's headers back to the factory 
catalytic converter. I was thinking of using 2.5" pipe with a 
flowmaster 50 muffler. Any thoughts?

From owner-toyota@www.4x4wire.com Sat May 22 12:48:12 2004
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Date: Sat, 22 May 2004 10:40:55 -0700
From: Mike Piechowski <lil_mike@earthlink.net>
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Subject: Re: TOY: Exhaust suggestions?
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Chuck wrote:

> Hey guys, I'm looking to add a cat-back exhaust system to my '95 
> 4Runner(3.0L V6) and I'm wondering what you all would recommend for a 
> pipe diameter. I'm using Downey's headers back to the factory 
> catalytic converter. I was thinking of using 2.5" pipe with a 
> flowmaster 50 muffler. Any thoughts?
> 4x4Wire.com Toyota Section http://www.4x4Wire.com/toyota/
>
I've got the NWOR header and 2.5" (I think) catback with a Flowmaster 70 
SUV (Very Big Muffler) on my 92 4-cylinder - it is pretty loud, but 
definitely picked up some pep in the higher rpm's

The Flowmasters are designed for engine size  - or so their website 
says. The one I bought is WAY TOO BIG for my little 4-banger, and does 
not muffle as well at WOT as the right sized one should. The local 
Hotrod shop was just happy for the sale, but really could not make 
recommendations because I only have 4 sparkplugs. The 50 is smaller than 
mine, so it should fit better. Not sure which flowmaster to recommend 
with a V-6, maybe check Flowmaster's website. By the way - Flowmaster 
makes a tough muffler, should hold up for years.

NWOR's catback came with a muffler, and went on without a problem. 
Nicely made, fully mandrel bent, used all the factory hangers. I did the 
install in my uncle's driveway in the dark with only hand tools - still 
only took me a couple of hours. Other than a little mishap with the 
master cylinder reservior (knocked it off fitting the header), 
everything went together well. Can't say a thing about Downey exhausts, 
never used one.

It will definitely make more noise than it used to - be ready.


From owner-toyota@www.4x4wire.com Sat May 22 14:18:23 2004
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Date: Sat, 22 May 2004 12:10:14 -0700
From: Chuck <cgreco@dedot.com>
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Subject: Re: TOY: Exhaust suggestions?
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Mike,

The headers are already installed, so it is just a question of getting 
the cat-back. I am pretty confident about the muffler model/size what 
I'm concerned with is losing too much back pressure because the pipe 
diameter is too large.

Mike Piechowski wrote:

> Chuck wrote:
> 
>> Hey guys, I'm looking to add a cat-back exhaust system to my '95 
>> 4Runner(3.0L V6) and I'm wondering what you all would recommend for a 
>> pipe diameter. I'm using Downey's headers back to the factory 
>> catalytic converter. I was thinking of using 2.5" pipe with a 
>> flowmaster 50 muffler. Any thoughts?
>> 4x4Wire.com Toyota Section http://www.4x4Wire.com/toyota/
>>
> I've got the NWOR header and 2.5" (I think) catback with a Flowmaster 70 
> SUV (Very Big Muffler) on my 92 4-cylinder - it is pretty loud, but 
> definitely picked up some pep in the higher rpm's
> 
> The Flowmasters are designed for engine size  - or so their website 
> says. The one I bought is WAY TOO BIG for my little 4-banger, and does 
> not muffle as well at WOT as the right sized one should. The local 
> Hotrod shop was just happy for the sale, but really could not make 
> recommendations because I only have 4 sparkplugs. The 50 is smaller than 
> mine, so it should fit better. Not sure which flowmaster to recommend 
> with a V-6, maybe check Flowmaster's website. By the way - Flowmaster 
> makes a tough muffler, should hold up for years.
> 
> NWOR's catback came with a muffler, and went on without a problem. 
> Nicely made, fully mandrel bent, used all the factory hangers. I did the 
> install in my uncle's driveway in the dark with only hand tools - still 
> only took me a couple of hours. Other than a little mishap with the 
> master cylinder reservior (knocked it off fitting the header), 
> everything went together well. Can't say a thing about Downey exhausts, 
> never used one.
> 
> It will definitely make more noise than it used to - be ready.
> 
> 4x4Wire.com Toyota Section http://www.4x4Wire.com/toyota/
>