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1995 3.0 V6 exhaust

Discussion in '2nd Gen 4Runners (1990-1995)' started by Yoterguy96, Jan 3, 2019.

  1. Jan 3, 2019 at 10:30 PM

    Yoterguy96 [OP] New Member

    Dec 23, 2018
    First Name:
    1995 4runner 3.0 v6 5 speed manual 4x4
    Bone stock!
    Hello everyone! This is my first post I’ve made on here so thanks for the input. I just bought this 4runner and want to start upgrading things slowly. First thing I think I wanna do is a little bit of exhaust work.

    I was THINKING about removing the cat (don’t need to worry about emissions) and muffler and throwing in a glass pack and dumping it out the side in front of the rear tire. Keeping the factory diameter.

    What I’m looking for is maybe a little more power on hills on the highway without sacrificing low end tork while crawling slow on trails(if possible) and a little more of a mean sound (but don’t want to be too obnoxious)

    Any thoughts or suggestions will be appreciated! I don’t know too much about exhaust and would like to learn more before I do anything. Thankyou!
  2. Jan 10, 2019 at 1:38 PM

    atgparker Cal Poly, ETME 1988

    Jun 20, 2018
    First Name:
    Mission Viejo, CA
    1991 White 4Runner 3.0 L
    Rebuilt Engine MLS and ARP on the heads, DT Header, 2-1/2" CARB compliant Flow-Master CAT with 2.0" Bosal CAT back Dayco 1-1/4" Spacers, SkyJacker M-Series Monotube Shocks, Ball Joint Spacers. 95-9006 K&N Air Cleaner, G-Plus Alum Radiator, ZIrgo 16" Fan, Derale Temp switch/relay
    Shortening the pipe length will probably increase the horse power some and may kill of some of the torque. The cat is a restriction and getting rid of it will certainly open things up. I ran this arrangement on my 1982 22R Toyota 4x4 and it made it easier to hear the engine and it pulled well on grades. I had also put a Thorley header on the engine and so I pitched the stock tail pipe and ran a turbo muffler with a straight shot back to the header with a test pipe in the middle to replace the CAT. Running the pipe in front of the tire works fine but the wheel does get some discoloration from the exhaust with enough miles. I would replace the cat first with a "test pipe" and see how you like it. We did this on my sons 90 Pickup which has a 3VZ-E in it and it seemed to improve the acceleration and certainly gave it a bit more burble for sound. Those OEM cats have element-worth to the unscrupulous and his was stolen while parked out in front of our house. Serves us right for putting an AutoFab lift on it, making it all to easy to steal!
    Yoterguy96[OP] likes this.

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