Exhaust Flange for Cat Back?

Speedy · 03-12-2007, 02:02 PM

I've been working with an exhaust shop to build a cat back exhaust for my 2002 4Runner using a Magnaflow muffler. I'd prefer it to be a bolt on exhaust system, so that I can remove it down the road if necessary to replace it with stock. The exhaust shop said that was no problem, but they can't locate a flange to match the one on the stock system. Anyone know where to fin done? I've looked on Google without much luck. LC Engineering seemed to have some but only for the 3VZ.

I'd think a 3/8" or 1/2" flange 2-bolt design is what is needed to connect this custom cat back to the flange after the 2nd cat?

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MTL_4runner · 03-12-2007, 03:49 PM

If your having trouble getting a flange you can always have a machine shop with a waterjet cut one out of plate stock for you. Then just have the muffler shop weld the flange to the pipe and you're done. The waterjet is pretty easy to use and cheap to run, but prices will vary depending on where you live (I would think Nashville would have a few shops that could handle that kind of work).

90RunnerRed · 03-12-2007, 04:02 PM

Have you tried going to a junk yard and just cutting one off there?

kevin444 · 03-12-2007, 07:21 PM

Quote:

Originally Posted by 90RunnerRed

Have you tried going to a junk yard and just cutting one off there?

just cut off the flanges off another tacoma,4runner exhuast

DITTO

Speedy · 03-12-2007, 07:26 PM

I had thought about cutting one off another 4Runner or Tacoma, but wasn't sure if Tacoma flanges were identical to 4Runner. I assume they are?

If I get one cut by a machine shop, anyone know the dimensions or how to get them? I doubt measuring with a tape measure would be accurate enough.

03-12-2007, 03:49 PM	#2 (permalink)
MTL_4runner Contributing Member Join Date: Jul 2003 Location: Montreal, QC Canada Posts: 8,807	If your having trouble getting a flange you can always have a machine shop with a waterjet cut one out of plate stock for you. Then just have the muffler shop weld the flange to the pipe and you're done. The waterjet is pretty easy to use and cheap to run, but prices will vary depending on where you live (I would think Nashville would have a few shops that could handle that kind of work). __________________ - Jamie 1996 4Runner SR5 4X4 Auto Deckplate Mod, Hayden Tranny Cooler, Amsoil Air Filter, OME 881/906 N86C/N91SC Lift Best OBD II scan tool I have used!. .....and I am AMERICAN! Last edited by MTL_4runner; 03-12-2007 at 03:53 PM.

03-12-2007, 04:02 PM	#3 (permalink)
90RunnerRed Contributing Member Join Date: Nov 2006 Location: Colorado Posts: 241	Have you tried going to a junk yard and just cutting one off there? __________________ 1986 4Runner, 4.88's, 4.7 Transfer, 3 in Rough Country, 33's (need's some lovin) 1987 4Runner, SR5 1990 4Runner, 22RE, sliders, play pen, 265's, 1998 wheels (SOLD) 1997 4Runner LTD, E-Locker, ISR, Deck Plate, PIAA Fog Lights, (SOLD) 2000 4Runner LTD, E-Locker, Stock (Wife's) 2002 Tundra, Fipk, SS Headers, Flowmaster exhaust, TB Spacer

03-12-2007, 07:26 PM	#5 (permalink)
Speedy Registered User Join Date: Aug 2006 Location: Nashville, TN Posts: 705	I had thought about cutting one off another 4Runner or Tacoma, but wasn't sure if Tacoma flanges were identical to 4Runner. I assume they are? If I get one cut by a machine shop, anyone know the dimensions or how to get them? I doubt measuring with a tape measure would be accurate enough. __________________ -Speedy Project SportRunner (240 RWHP 259 RWTQ) 2002 SR5 4x4 3.4L V6 TRD SC, URD 2.2" Pulley, URD 7th Injector Kit, Custom Gauges, TrueTrac, Tru Cool 4454 Tranny Cooler, Satoshi Grille, Fog Light Mod, DRL Mod, Sport Hood, TRD Wheels, ISR Mod, Deck Plate Mod, Supercharged badging

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