12-02-2020, 12:57 AM
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#1
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Join Date: Oct 2018
Location: San Diego CA
Posts: 417
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Member
Join Date: Oct 2018
Location: San Diego CA
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Magnaflow Overland catback exhaust Group Buy on FB
He all, not sure if someone has shared this yet but Magnaflow has come out with a super sick catback exhaust for the 3rd gen. High clearance, performance, and their new no drone tech. SRQ and Magnaflow are doing a group by on the FB page. check it out.
Here is the link to the FB page,
3rd Gen 4runner Mafia
Can't figure out how to link to the post but you should be able to find it if you search: 3G4M Magnaflow Cat-Back Exhaust System Group Buy.
I have no affiliation with Magnaflow or SRQ, I'm signed up on the GB and want to share it here.
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IG: @4runnerfiend- 1999 SR5: TRD Supercharger, ELocker, Wheelers T1 Coils-tundra 5100's, Built Right UCA's, LC 8 wraps-Fox 2.0 with CD adjuster, Rokmen lower links, Savage skids, Hot Metal Fab Front Tube bumper, Savage Rear tube bumper, TruckShopSD Sliders, DuroBumps, RidgeGrapplers, Doug Thorley Headers, yellow top, XRC 12k, ARB single compressor.
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12-02-2020, 01:09 AM
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#2
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Senior Member
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Join Date: Jun 2019
Location: Georgia
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Senior Member
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Location: Georgia
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Any sound samples?
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12-02-2020, 02:30 AM
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#3
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Join Date: Jun 2019
Location: Vancouver, WA
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Member
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What if you're not on FB?
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12-02-2020, 02:35 AM
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#4
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Senior Member
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Join Date: May 2019
Location: Northern California
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Real Name: Blair
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Senior Member
Join Date: May 2019
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Quote:
Originally Posted by Fiffa
What if you're not on FB?
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This ^^^^ closest I get to FB is an IG lurker account. The wife just had a look for me - it's a 35k member private 3G T4R FB group. That is some buying power....
Edit - here is a link to the current non-group sale price and specs: 96-02 3rd Gen 4Runner Magnaflow Cat Back Exhaust System
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Last edited by Endlessblockades; 12-02-2020 at 02:42 AM.
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12-02-2020, 02:57 AM
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#5
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Join Date: Mar 2020
Location: Norcal
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I’d be very interested to hear a sound sample of the ‘no-drone technology’. My T100’s stock exhaust had a great throatiness and it would pop a little when decelerating in 1st gear, but it was really nice to drive because there was no drone. If this sounded similar I’d be very interested in buying...
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12-02-2020, 09:50 AM
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#6
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Join Date: Sep 2018
Location: Raleigh, NC
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Found more info and sound clips on their website:
MagnaFlow Toyota 4Runner Overland Series Cat-Back Performance Exhaust System
Liking the clearance of no tailpipe. Doesnt sound obnoxious either!
Great job to Magnaflow for actually thinking this through well with the high clearance and quieter note + SS material 
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Forged and Cammed 1UZ Single Turbo, Standalone ECU + Built R150 in process. Why, you ask? Because it makes no sense in this platform, and I love it!
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12-02-2020, 10:54 AM
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#7
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Senior Member
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Join Date: Feb 2019
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I'm looking at their exhaust picture, but I don't understand what the loop back part after the muffler is for. Can anyone help me out?
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12-02-2020, 11:03 AM
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#8
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Quote:
Originally Posted by Bad Luck
I'm looking at their exhaust picture, but I don't understand what the loop back part after the muffler is for. Can anyone help me out?
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I'd guess a resonator set up. Sure looks strange though and I'm not sure I'd want the exhaust gasses dumping under the corner of the truck.
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12-02-2020, 11:09 AM
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#9
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Senior Member
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Join Date: Feb 2019
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Senior Member
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Quote:
Originally Posted by Kanoe
I'd guess a resonator set up. Sure looks strange though and I'm not sure I'd want the exhaust gasses dumping under the corner of the truck.
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I was thinking that, but it seemed strange to me too for the resonator to dump exhaust separate from the exhaust exit at the rear. I thought resonators were still inline of all the exhaust flow to function properly as well
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2000 Limited V6 Auto E-Locker Sold 3/2022
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12-02-2020, 11:39 AM
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#10
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Senior Member
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Join Date: Oct 2011
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Senior Member
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Quote:
Originally Posted by Bad Luck
I'm looking at their exhaust picture, but I don't understand what the loop back part after the muffler is for. Can anyone help me out?
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Quote:
Originally Posted by Kanoe
I'd guess a resonator set up. Sure looks strange though and I'm not sure I'd want the exhaust gasses dumping under the corner of the truck.
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Quote:
Originally Posted by Bad Luck
I was thinking that, but it seemed strange to me too for the resonator to dump exhaust separate from the exhaust exit at the rear. I thought resonators were still inline of all the exhaust flow to function properly as well
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It's a resonator, there's no outlet at the other end of it. I've seen both OEM and aftermarket exhausts use "J tube" type resonators.
According to the instructions you can bypass the resonator by inserting the cap at the muffler outlet if you want more noise.
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12-02-2020, 12:28 PM
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#11
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Join Date: Jul 2014
Location: Bellevue, WA
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It’s called a helmholtz resonator. Essentially the sound frequency can be “tuned” to eliminate drone by increasing or decreasing the length of the resonator /end pipe to bounce a specific wavelength back to the front of the vehicle essentially cancelling out the same frequency.
I have these resonators custom made on my GTR. Mine have been tuned to reduce drone at 2500 rpm... which works great at 65-70 mph highway cruising.
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12-02-2020, 12:34 PM
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#12
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Senior Member
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Join Date: Feb 2019
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You learn something new every day. Thanks guys! Such a strange design but you can't argue with results. I wonder how rust/corrosion resistant these will be
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2000 Limited V6 Auto E-Locker Sold 3/2022
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12-02-2020, 12:46 PM
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#13
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Member
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Join Date: Sep 2018
Location: Raleigh, NC
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Member
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Quote:
Originally Posted by Bad Luck
I wonder how rust/corrosion resistant these will be
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Being from magnaflow, I'm sure they'll be super high quality Stainless Steel. One of my close friends has a mustang with SS Magnaflow mufflers on it that are 15years old and they look new still
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2000 SR5 4x4 | Geared, Locked and Fully restored OEM+ build.
Forged and Cammed 1UZ Single Turbo, Standalone ECU + Built R150 in process. Why, you ask? Because it makes no sense in this platform, and I love it!
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12-02-2020, 12:50 PM
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#14
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Senior Member
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Join Date: May 2019
Location: Northern California
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Real Name: Blair
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Senior Member
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Here is the do-it-yourself installation sheet:
https://mfcdnstorage.blob.core.windo...eets/19538.pdf
Kinda wish there was audio for this option: "For a more aggressive sound use the Block off Pipe in place of the U-Pipe & NDT Chamber using the supplied 2.50" clamp."
My current MF Drone1 muffler cost $100
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260K - Y2K/E - Clock still works
Last edited by Endlessblockades; 12-02-2020 at 12:56 PM.
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12-02-2020, 12:57 PM
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#15
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Join Date: Jul 2014
Location: Bellevue, WA
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Can someone notify the Facebook page that members that don’t have Facebook may be interested in hearing more about the group buy pricing? Can someone confirm whether it’s 304 stainless or shitty 405?
I have Facebook but it’s a private group and who knows when the moderators will approve.
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