Magnaflow 3rd gen Cat Back
Junior Member
Joined: Aug 2004
Posts: 48
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From: mo
Car: 04 gtp, 96 f150, 88 camaro
Engine: 3.8sc, 5.0, 385ci
Transmission: auto, 5speed, 700r4
Re: Magnaflow 3rd gen Cat Back
I just received my kit. The instructions say that it will work for dual or single cat cars. I've found that the intermediate pipe is about 4 inches short of reaching the factory y-pipe coming off the cats.
Senior Member
Joined: Oct 2007
Posts: 339
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From: Chicago
Car: 1999 Jeep Grand Cherokee
Engine: 4.7l PowerTech V8
Re: Magnaflow 3rd gen Cat Back
i got mine from hott exhaust for 420.00
im having it installed right now, i also got a pair of stainless hooker 2460s and the hooker y pipe. everything fit except for where the cat was supposed to go, so my mechanic just put a different pipe in there and it all looks smooth . i cant wait to hear it.
their website is hottexhaust.com
product number 16829
im having it installed right now, i also got a pair of stainless hooker 2460s and the hooker y pipe. everything fit except for where the cat was supposed to go, so my mechanic just put a different pipe in there and it all looks smooth . i cant wait to hear it.
their website is hottexhaust.com
product number 16829
Last edited by BMAN90RS; Jun 9, 2008 at 03:03 PM. Reason: EDIT: I ADDED IT TO MY CART AND IT GAVE ME ANOTHER DISCOUNT THANKS
Re: Magnaflow 3rd gen Cat Back
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Joined: Dec 1999
Posts: 1,934
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From: Calgary
Car: 89 Formula
Engine: 350
Transmission: TH 700R4
Axle/Gears: 3.27
Re: Magnaflow 3rd gen Cat Back
I ordered mine!
None too soon either---more like way to frickin' late!
My car is all done---cam, heads, runners, headers ect....but it has the stock 2 3/4 cat back!! (and really old worn out, damaged cats)
Hoping to knock off 0.2 and add 2 mph
Looking for a pics of the tips if some one can post when availible
None too soon either---more like way to frickin' late!
My car is all done---cam, heads, runners, headers ect....but it has the stock 2 3/4 cat back!! (and really old worn out, damaged cats)
Hoping to knock off 0.2 and add 2 mph
Looking for a pics of the tips if some one can post when availible
Last edited by avro206; Jun 9, 2008 at 10:16 PM.
Re: Magnaflow 3rd gen Cat Back
You can get the kit at hottexhaust.com where it asks for a coupon code enter "veedub" SLP-GTA, I do have dual cats, the connection is a slip fit. Here is a picture of the connection. http://i48.photobucket.com/albums/f2.../Magnaflow.jpg
Senior Member
Joined: Oct 2007
Posts: 339
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From: Chicago
Car: 1999 Jeep Grand Cherokee
Engine: 4.7l PowerTech V8
Re: Magnaflow 3rd gen Cat Back
You can get the kit at hottexhaust.com where it asks for a coupon code enter "veedub" SLP-GTA, I do have dual cats, the connection is a slip fit. Here is a picture of the connection. http://i48.photobucket.com/albums/f2.../Magnaflow.jpg
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From: Detroit
Car: 1989 Iroc-Z
Engine: 383 FFI
Transmission: TKO600
Axle/Gears: 3.42
Re: Magnaflow 3rd gen Cat Back
Anyone have this running yet? any performance numbers? I really want to see how this stacks up against the hooker system i was planning to order.
~LMSkyliner
~LMSkyliner
Junior Member
Joined: Aug 2004
Posts: 48
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From: mo
Car: 04 gtp, 96 f150, 88 camaro
Engine: 3.8sc, 5.0, 385ci
Transmission: auto, 5speed, 700r4
Re: Magnaflow 3rd gen Cat Back
I got mine today on ups. All in all it looks to be a nice system. Clean bends, huge tips and well made. However, the outlets on the muffler are only 2.5"od and 2.25"id I thought they would be 3". The inlet is 3"id .
I'll post pics later
I'll post pics later
Senior Member
Joined: Oct 2007
Posts: 339
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From: Chicago
Car: 1999 Jeep Grand Cherokee
Engine: 4.7l PowerTech V8
Re: Magnaflow 3rd gen Cat Back
since u ordered from hottexhaust, how fast did u get it? when did u order it b/c i ordered from them on tuesday but havent got a tracking # or anything yet, aside from the confirmation email
Senior Member
Joined: Oct 2007
Posts: 339
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From: Chicago
Car: 1999 Jeep Grand Cherokee
Engine: 4.7l PowerTech V8
Re: Magnaflow 3rd gen Cat Back
whoever ordered from hottexhaust, did u get it yet b/c i called 2 days ago they said it was shipped out the day before, and i would receive the tracking number that night but i still havent gotten any word about my order besides the confirmation page. please tell me this company didnt just screw me
Re: Magnaflow 3rd gen Cat Back
If you ordered from Hottexhaust, they don't send a tracking number. Do like I did, call and ask for it. BMAN90RS, my exhaust arrived in just over a week.
Joined: Mar 2000
Posts: 5,711
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From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Magnaflow 3rd gen Cat Back
Here is the muffler #
http://www.magnaflow.com/02product/s...e=main&id=7473
Here is the number for the tips :
3.5in.Dia, 22in.Lg. 2.5in.inlet #35106 or #35105 for 18"Lg.
Here is what is should look like when assembled:
Last edited by Dyno Don; Jun 18, 2008 at 11:08 AM.
Joined: Mar 2000
Posts: 5,711
Likes: 133
From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Magnaflow 3rd gen Cat Back
By the way, I picked up 20+ HP @ the rw's going from a Flowmaster 80 series.
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From: Detroit
Car: 1989 Iroc-Z
Engine: 383 FFI
Transmission: TKO600
Axle/Gears: 3.42
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From: NW Indiana
Car: 1991 Camaro
Engine: Morris 434 Single Turbo
Transmission: TH350
Axle/Gears: 9" Ford w/4.11's
Re: Magnaflow 3rd gen Cat Back
And honestley, you might as well get headers and a y-pipe to complete the set-up cause you wont be happy untill you do
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From: Hopatcong, Nj
Car: 1986 Camaro IROC-Z
Engine: 305 tpi
Transmission: BW t5 W/ short shifter
Axle/Gears: 9 Bolt 3.27 posi
Re: Magnaflow 3rd gen Cat Back
I like the magnaflow cat back, i got one for a forth gen and just made some changes. The stock hangers in the rear are just about the same positions, mine were in stock places but not stock so it worked. the only difference is the cat, 4th gens have the 's' pipe that i replaced with a 45* pipe right to my cat. sounds really good, very deep and if you drive sanely it can be pretty quiet..when you get on it its loud and people know your coming. ill try to get a vid soon.
Joined: Mar 2000
Posts: 5,711
Likes: 133
From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Magnaflow 3rd gen Cat Back
They are all built the same now. In Calif. they even made them stop putting "high flow" on the box.
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From: Bertram (outside Austin), TX
Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: Magnaflow 3rd gen Cat Back
Aftermarket cats, such as the Magnaflow, outflow the factory, 20 yr old cats, even when they were brand new. They out flow a facory replacement one from Autozone or such.
So yes....high flow.
Joined: Mar 2000
Posts: 5,711
Likes: 133
From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Magnaflow 3rd gen Cat Back
Uh...no
They are all built with the monolythic core now and have been for years.
The only difference in cats now is the quality of construction. (the case)
Magnaflow being the best in my opinion. (aka Car Sound)
In some cases the factory ones will outflow the aftermarket ones just because of the size (larger area to move the volume thru)
They are all built with the monolythic core now and have been for years.
The only difference in cats now is the quality of construction. (the case)
Magnaflow being the best in my opinion. (aka Car Sound)
In some cases the factory ones will outflow the aftermarket ones just because of the size (larger area to move the volume thru)
Re: Magnaflow 3rd gen Cat Back
Based on this chart, there is a difference in high flow and stock converters. http://www.installuniversity.com/ins...st3.132001.htm
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Joined: Feb 2006
Posts: 499
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From: Rock Hill, SC
Car: 91 GTA
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: stock
Re: Magnaflow 3rd gen Cat Back
ive been checking the web to see who has the best price for this system. autoanything.com has it for cheaper than any other site ive seen thus far.
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Joined: Sep 2007
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From: Chicagoland Area
Car: '89 GTA/'86 TA/98 TA
Engine: 350/350/LS1
Transmission: R4/T5/4L60E
Axle/Gears: 3.23/2.77/3.73
Re: Magnaflow 3rd gen Cat Back
Any1 think i should still get this setup or is there something better
What site is the best to get it from
What site is the best to get it from
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From: North Battleford, Saskatchewan, Canada
Car: 91 GTA & 92 GTA & 92 GTA
Engine: 305 TPI & 350 TPI & 350 TPI
Transmission: 700R4
Axle/Gears: 3.42 & 3.23 & 3.23
Re: Magnaflow 3rd gen Cat Back
Has anyone else with dual cats had this issue or any other installation problems?
Member
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Joined: Feb 2000
Posts: 339
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From: North Battleford, Saskatchewan, Canada
Car: 91 GTA & 92 GTA & 92 GTA
Engine: 305 TPI & 350 TPI & 350 TPI
Transmission: 700R4
Axle/Gears: 3.42 & 3.23 & 3.23
Re: Magnaflow 3rd gen Cat Back
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