05-19-2009, 09:40 PM
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#1
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GL Member
Join Date: Sep 2007
Location: Massachusetts
Posts: 473
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High Flow Cat
Hey right now I have the armor coated pacesetter header, with a 2.5 catback exhaust with a straight through muffler. All I need is a High flow cat to complete it. Now I hear Magnaflow is great but what about CatCo or OBX?
Which do you have? (Part Numbers would be great  )
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05-20-2009, 02:51 AM
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#2
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Boost Guru
Join Date: Mar 2004
Location: Buffalo, NY
Posts: 1,837
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05-20-2009, 06:03 AM
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#3
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GL Member
Join Date: Sep 2007
Location: Massachusetts
Posts: 473
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I need to have an exhaust shop make a o2 bung right?
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05-20-2009, 04:10 PM
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#4
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Boost Guru
Join Date: Mar 2004
Location: Buffalo, NY
Posts: 1,837
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They don't have to make one, they can buy one, or they probably have them at the shop. They'll just need to weld it into the pipe after the cat.
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05-20-2009, 04:17 PM
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#5
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V.I.P. Member
Join Date: Dec 2003
Location: Wausau, Wisconsin
Posts: 918
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That is the same cat that I am using. Otherwise there is a cat by MetalCat which is a bit more then that one. I couldn't get it because it was still be tested or something so it was backordered. MFuller has one of these cats. Those are my two cents on this.
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04-16-2010, 12:29 AM
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#6
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GL Member
Join Date: Sep 2007
Location: Massachusetts
Posts: 473
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04-16-2010, 07:38 AM
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#7
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GL Member
Join Date: Jan 2007
Location: las vegas
Posts: 578
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Quote:
Originally Posted by AtomicX
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magnaflow is a company that has been around for a long time. never heard of thunderbolt
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04-16-2010, 08:20 AM
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#8
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GL Member
Join Date: Sep 2007
Location: Massachusetts
Posts: 473
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So from the post stated by Spilner Magnaflow #59956 is the best High flow to get?
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04-16-2010, 05:08 PM
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#9
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GL Member
Join Date: Jan 2007
Location: las vegas
Posts: 578
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Quote:
Originally Posted by AtomicX
So from the post stated by Spilner Magnaflow #59956 is the best High flow to get?
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it's what he recommended, & what I would recommend, not necessarily the "best" as that is for YOU to decide.
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CARDOMAIN W/ DRAG VID & LIST OF MODS
Trevtec Motorsports built & driven - LV,NV
Revolution Lounge @ the Mirage
Promoter - PM me to be put on the list. Ladies first drink free wed, thur, sat
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04-16-2010, 11:26 PM
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#10
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GX Member
Join Date: Nov 2009
Location: Dodgeville, MI
Posts: 157
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I would stick with magnaflow. I've heard of off brand cats breaking apart early. Realistically, the cat isn't all that restrictive if its not melted. Its definately not the most restrictive part of the exhaust system, so unless you are running a lot of boost, their normal, ceramic honeycomb cat will serve you very well.
The one you posted looks like a spun metallic cat, but I didn't look at the link. It will flow better, but is IMHO overkill. You may notice a difference in sound, but probably not power.
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04-16-2010, 11:55 PM
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#11
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GL Member
Join Date: Jan 2009
Location: Boston
Posts: 417
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Just so you guys know the Magnaflow cat rusts real quick
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2003 GX Coupe: 2.2 ecotec, CAI, Header, High Flow Cat, Catback Exhaust System, Cleared Corners, Tinted Tails, 8000K HID's, Reverse Glow Gauges...so far
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04-17-2010, 02:16 AM
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#12
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Moderator
Join Date: Nov 2004
Location: Long Grove, IL
Posts: 5,002
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Really? My magnaflow is stainless steel...
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Cliff Scott
2004 Alero GX w/sport pkg - Sold, living somewhere in WI now.
2011 Saab 9-5 Turbo4 M6
2004 Corvette Convertible M6
1994 Chevy Beretta - Quad4/M5
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04-17-2010, 11:02 AM
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#13
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GX Member
Join Date: Nov 2009
Location: Dodgeville, MI
Posts: 157
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Quote:
Originally Posted by Cliff8928
Really? My magnaflow is stainless steel...
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So is mine. They could use a lower carbon stainless (303 I think) that will still surface rust, but won't actually rot through. |
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04-17-2010, 11:46 AM
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#14
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GL Member
Join Date: Jan 2009
Location: Boston
Posts: 417
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Yeah it could just be surface rust but I've only had it on since November an I noticed the rust a couple months ago...I even sprayed a few coats of that high heat exhaust paint on it...The rest of my exhaust system still looks awesome
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2003 GX Coupe: 2.2 ecotec, CAI, Header, High Flow Cat, Catback Exhaust System, Cleared Corners, Tinted Tails, 8000K HID's, Reverse Glow Gauges...so far
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04-18-2010, 12:37 AM
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#15
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GL Member
Join Date: Sep 2007
Location: Massachusetts
Posts: 473
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Quote:
Originally Posted by mbeals
Its definately not the most restrictive part of the exhaust system, so unless you are running a lot of boost, their normal, ceramic honeycomb cat will serve you very well.
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No boost, but 75 shot of wet nitrous.
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04-18-2010, 01:25 AM
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#16
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GLS member
Join Date: Apr 2009
Location: Nauvoo, AL
Posts: 827
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Fendercore,
I have the Magnaflow highflo cat and had it on the car since I have owned the car and still no signs of rust. Not even surface rust.
-Smurf-
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"Check mate Bitch!"
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04-18-2010, 10:27 AM
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#17
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GL Member
Join Date: Jan 2009
Location: Boston
Posts: 417
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Maybe they started making em cheap...Do you guys need to see pics?
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2003 GX Coupe: 2.2 ecotec, CAI, Header, High Flow Cat, Catback Exhaust System, Cleared Corners, Tinted Tails, 8000K HID's, Reverse Glow Gauges...so far
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