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how does terry keep all that stuff in his head? then he finds time to take it out of his head and give it to us, then re-learn it so he can give it to us again another time.
"Wow, that sank fast." "Yeah, like a rock." 96 Contour GL ATX 9mm Ford Racing Wires; 2 Resonators down, 1 to go;"Special airbox"; many mods planned Sony CD player: 50wattsx4;remote; Speakers=50 watt Pioneer 6x8s Ross Evans 
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Joined: Jan 2001
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Originally posted by Terry Haines: TWO main types of stainless, Austenitic and Ferritic, as you can see from the name 'ferritic' has iron as part of its make up = rust!...know your stainless numbers. Ferritics are 409HP/11CrCb/YUS450/439/439HP/441/18CrCb(exhaust Manifolds V6)/444...Austenitic..201/301/304L/304/321/316/309/334(incolloy)/625(inconel)...got it !!!!!!  Ummmm, no...
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Joined: Jun 2000
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Terry you are the man, however, I think you ought to go back to work at Benteler.  
99 Range Rover 4.6 HSE
Mystery Car??????
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Joined: May 2000
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I'd go with some Never-Dull and wax them when you wax the car. I always use my wheel cleaner on the tips when I wash my car too, this may not protect them from the elements but it does keep them clean, which I guess would keep them from rusting
Roger R
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Joined: Sep 2000
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The reason for the s/s numbers in my post is clear...before you buy any s/s product ask WHAT TYPE of stainless its made of, that will tell you if it's going to rust ...if they dont know..run!!!
V6 MTX
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Joined: Sep 2000
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Don't know anyone who sells ferritic tips. It would defeat the purpose , as they will exhibit surface rust. Most tips are either 304SS, or chromed mild steel (I don't like the chromed steel, cause sometimes (say all the time) the chrome and nickeled layer is THIN) Just make sure you buy 304SS if you plan on keeping the exhaust more than 2 years. Oh, and if you see rust on 304, its usually surface iron dust (say, from brake discs) and it will clean up nice with a little polish. Just make sure if you get them welded in, the guy covers them nice to avoid splatter. Most shops will weld with a general purpose mig wire, which will cause rust spots when it splatters on the 304. Don't ask how I know :rolleyes: Just reread the first post. They probably destroyed the passive film with the etching process. Is the surface in the Borla letters rougher than the overal tip? If it is, the crevices are trapping contaminants and iron dust, adding some red color where you do not want it... Best way to keep the rust from coming back would be to polish the letters out to a smooth surface, if they are just etched and not engraved. How attached are you to the Borla name?
Marco Tatta
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Joined: Jul 2001
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Originally posted by Terry Haines: ...know your stainless numbers. Ferritics are 409HP/11CrCb/YUS450/439/439HP/441/18CrCb(exhaust Manifolds V6)/444...Austenitic..201/301/304L/304/321/316/309/334(incolloy)/625(inconel)...got it !!!!!! ohhhhh... RIIIGGGHHHHTTT.. the nuummmmbeerrrrsss... Well... geez, I KNEW THAT! lol You 'da Man, Terry! Ray
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Joined: Apr 2001
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The Borla is advertised as being 304... hmmm... something does not add up!
2000 Mercury Cougar V6 ATX. 16.0@87MPH, 155.0 FWHP
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