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89 V6 SWB Muffler or No Muffler?? #1103211
03/20/17 05:01 PM
03/20/17 05:01 PM
P
polar  Offline OP
Need a Spot
Joined: Aug 2007
Posts: 8
Time for a new exhaust and I want a little more growl than what I was getting with a supposedly loud Walker muffler.
The exhaust guys suggest all pipe, no muffler.........

What do the Sages says??? Would going no muffler have hidden problems.......throw off back pressure that effects O2 sensor or gas mileage??

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Re: 89 V6 SWB Muffler or No Muffler?? [Re: polar] #1103223
03/22/17 03:01 PM
03/22/17 03:01 PM
4x4Wire  Offline
Trail Leader
Joined: Feb 2000
Posts: 6,183
Lakeside, CA ***
You would quickly draw the attention of your local police for noise and if smog laws apply, it would not pass. The O2 sensor does not work off back-pressure. However, it might not get hot enough to function as necessary. An incorrect O2sensor reading would affect your gas mileage.

Re: 89 V6 SWB Muffler or No Muffler?? [Re: polar] #1103238
03/25/17 11:16 PM
03/25/17 11:16 PM
rxinhed  Offline
Trail Leader
Joined: Feb 2005
Posts: 7,098
Gerber, CA *****
Purple Horny, or similar glass pack, sounds good


1988 Mighty Max turbo 2.6 service body
1980 Power Wagon W400
Sundry Mitsubishi Montero Gen 1 parts, Gen 1 and Gen 2 Max parts
Parts vehicles: 89 LS Montero 4-door, 2002 Sport AWD
For Sale: 1989 Power Ram 50 extended cab, #277 Montero
Re: 89 V6 SWB Muffler or No Muffler?? [Re: polar] #1103291
04/06/17 02:46 AM
04/06/17 02:46 AM
Mudraider  Offline
Body Damage is Cool
Joined: Dec 2007
Posts: 2,249
Orange Park, FL
I'm a cheap asshat and only use Craigslist Flowmasters on my Mitsubishi's. Haven't paid more than $30 for one. And they are built to last.


89 SWB, V-6 5SPD, OME Shocks, 16.5X37's, 2"BL, SR axle, Gen2 brakes, Lincoln w/Superwinch

Moderated by  Macka, Mudraider, off-roader, PajEvo, rxinhed 

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