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Old 04-13-2012, 10:09 AM   #1
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h-pipe guestion

Can I buy off road h-pipe and use my stock cats? Plan on getting high flow cats in future. Is that the same as vatted h pipe? Any thoughts or ideas are appreciated. I have a 96 gt with c.a.I. and mufflers hacked off (previous owner cut off)
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Old 04-13-2012, 11:59 AM   #2
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Uhm an off road pipe gets rid of the cats all together, that would mean cutting into the hpipe
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Old 04-13-2012, 12:32 PM   #3
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Quote:
Originally Posted by jdavis96gt
Can I buy off road h-pipe and use my stock cats? Plan on getting high flow cats in future. Is that the same as vatted h pipe? Any thoughts or ideas are appreciated. I have a 96 gt with c.a.I. and mufflers hacked off (previous owner cut off)
Look into the Bassani catted h-pipe. Its got easily removable cats if you wanna go cat-less.
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Old 04-13-2012, 01:31 PM   #4
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Re: h-pipe guestion

I can't go catless, emmisions every year. I can't afford 400 bucks for a catted h pipe. That's why I'd break into 2 parts, buy off road h pipe then in few months I'd get high flow cats. Then it be the same as a catted pipe.(I would think) I got enough to get off road pipe now. I just got stang and can't wait to upgrade it
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Old 04-13-2012, 02:59 PM   #5
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Quote:
Originally Posted by jdavis96gt
I can't go catless, emmisions every year. I can't afford 400 bucks for a catted h pipe. That's why I'd break into 2 parts, buy off road h pipe then in few months I'd get high flow cats. Then it be the same as a catted pipe.(I would think) I got enough to get off road pipe now. I just got stang and can't wait to upgrade it
Bassani does sell the offroad version of that pipe and then you an just buy the cats later. Look at American Muscle.com. the problem with buying an aftermarket mid-pipe and welding the stock cats is that 90% of the time you would be going from a 2.5" tube down to2.25" for the cats and then back up to 2.5
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Old 04-13-2012, 05:13 PM   #6
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Re: h-pipe guestion

I looked and didn't see it. They only have couple h pipes and lots of x pipes.
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Old 04-13-2012, 07:57 PM   #7
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Quote:
Originally Posted by jdavis96gt
I looked and didn't see it. They only have couple h pipes and lots of x pipes.
Sorry sometimes I confuse the two. I was thinkin of their x-pipe
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Old 04-13-2012, 09:41 PM   #8
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Re: h-pipe guestion

So If I'm understanding you correctly you want an aftermarket off road h-pipe but then plan on adding hi flow cats in the future...so you'd basically be going back to a catted h-pipe

In that case I'd keep the stock h-pipe on the car and replace your 4 stock cats with 2 hi flows when you can...basically the same concept without the extra money/time spent.

To be considered "off road" you don't have any cats, and from what it sounds like in your case with emssions you don't want that...unless you keep your stock cats and h-pipe and weld them back in for emissions each time, some guys do that.
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Old 04-13-2012, 10:25 PM   #9
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FYI: high flow cats are NOT legal in emissions restrictive areas.
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Old 04-13-2012, 10:30 PM   #10
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Re: h-pipe guestion

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Originally Posted by NeedSomeMods View Post
FYI: high flow cats are NOT legal in emissions restrictive areas.
Huh, that sucks...didn't know that. Good thing we don't have emissions here.

Well maybe it'd be worth it for the OP to get his off road piping and just weld the stock cats/h-pipe in for inspection day.
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Old 04-14-2012, 12:07 AM   #11
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Quote:
Originally Posted by sonicpony03

Huh, that sucks...didn't know that. Good thing we don't have emissions here.

Well maybe it'd be worth it for the OP to get his off road piping and just weld the stock cats/h-pipe in for inspection day.
Yeah, IMO high flow cats are pretty pointless. When I talked to one of the guys at AM I was told they are used only to quite down an off-road exhaust system.

I have to pass emissions and currently have no cats.. So I have to shell out around $400+ before July... I was planning on getting the BBK catted H-pipe but upon closer examination of the description I found that they aren't legal. Hence the call to AM to verify.
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Old 04-14-2012, 09:49 AM   #12
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Another way would be to get the off road h pipe and keep you're stock h pipe when emission comes just reinstall the stock h pipe for the testing
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Old 04-14-2012, 05:55 PM   #13
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Quote:
Originally Posted by jdavis96gt
I can't go catless, emmisions every year. I can't afford 400 bucks for a catted h pipe. That's why I'd break into 2 parts, buy off road h pipe then in few months I'd get high flow cats. Then it be the same as a catted pipe.(I would think) I got enough to get off road pipe now. I just got stang and can't wait to upgrade it
Get someone you know to pass your car
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Old 04-14-2012, 11:41 PM   #14
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Dude, u dont want to buy cats! Those 96 gt's had NOT 4, BUT 6 cats!! That's right, SIX.

Also, i don't fully understand what your question is.. If you have an off road pipe with cats welded in there wouldnt be a difference between the two. Waste of money.

Plus, if they see that your midpipe has been tampered with or doesnt have the carb #s they may just fail u and send you to a ref.

Just buy an o/r mid pipe and put the stock one back on for smog every couple years. Thats what i do. I live in cali.
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Old 04-15-2012, 11:17 AM   #15
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Re: h-pipe guestion

I only count 4 cats but previous owner did cut mufflers off so he could've cut them too. Think I'm going to put mufflers on for now and next tax time do the p.I. swap and exhaust. Leaning towards magnaflow, would consider ALP axle but worried about fumes( got kids)
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Old 04-15-2012, 12:02 PM   #16
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Quote:
Originally Posted by jdavis96gt
I only count 4 cats but previous owner did cut mufflers off so he could've cut them too. Think I'm going to put mufflers on for now and next tax time do the p.I. swap and exhaust. Leaning towards magnaflow, would consider ALP axle but worried about fumes( got kids)
Are u talking bout slp loudmouths?
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Old 04-15-2012, 01:13 PM   #17
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Re: h-pipe guestion

Yes slp loudmouth. My bad on my phone and its touchy and kid crawling all over me. Them mufflers seem less restrictive. I don't like not having any. Everytime you let off it cracks and pops to much for me. They just took the cheap way out.
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Old 04-15-2012, 01:31 PM   #18
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Quote:
Originally Posted by jdavis96gt
I only count 4 cats but previous owner did cut mufflers off so he could've cut them too. Think I'm going to put mufflers on for now and next tax time do the p.I. swap and exhaust. Leaning towards magnaflow, would consider ALP axle but worried about fumes( got kids)
Thats what they look like. Maybe i'm wrong, some Cars have 6 some have 4. Weird.

Anyway, if you only have 4 cats. And want to just weld in some slp 1 resonators that will sound pretty good. Not too crazy either with the kids in the back. Just right. Had that setup on my old gt.

Good luck man.
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