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  • June 19, 2019, 05:04:06 AM

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Author Topic: Looking to Straight pipe. How should I do this?  (Read 356 times)

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Offline Ace2600

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Looking to Straight pipe. How should I do this?
« on: March 04, 2019, 09:42:40 AM »
Got my 83' SX/4. Hoping to have it on the road by the end of the month. Need to do exhaust. Im looking to just straight pipe, no Cat, no Muffler. Is it possible that I can just take it to an exhaust shop and have them do it for me? What should I be thinking about? and what problems am I not foreseeing?

Offline eaglefreek

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Re: Looking to Straight pipe. How should I do this?
« Reply #1 on: March 04, 2019, 11:13:45 PM »
Most reputable shops won't install an exhaust without cats. Why do you want to run "straight pipes"? It will sound horrible in my opinion.
1986 AMC Eagle Wagon 4.2L/4.0L head, AW4,NP242, Chrysler 8.25" rear.
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Offline Ace2600

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Re: Looking to Straight pipe. How should I do this?
« Reply #2 on: March 05, 2019, 10:15:20 AM »
I had a buddy take his Truck into a nearby muffler man and they straight piped it for around 75 USD. I wish I had a more compelling argument for why I want to straight pipe, but to be quite frank all I can say is I like the sound of straight engines. Especially the 258 Inline. I love the rumble. I was asking I guess just how complicated the exhaust on these cars actually are, and could I get a shop to do it?
« Last Edit: March 05, 2019, 10:16:11 AM by Ace2600 »

Offline mudkicker715

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Re: Looking to Straight pipe. How should I do this?
« Reply #3 on: March 05, 2019, 06:30:06 PM »
Most shops will not do that. The car needs a cat per fed laws so unless they are business to lose there business. They have to put a cat on.



Manitowoc WI

Offline Ace2600

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Re: Looking to Straight pipe. How should I do this?
« Reply #4 on: March 07, 2019, 11:37:49 AM »
Local law states that once my vehicle is counted as a "classic" Its possible to negate the cat and most emissions control. I don't have to pass emissions. I'm still trying to understand the relative difficulty of the exaust system.

Offline mudkicker715

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Re: Looking to Straight pipe. How should I do this?
« Reply #5 on: March 07, 2019, 01:09:43 PM »
Federal law says the cat must stay. So most shops will not do what you want.



Manitowoc WI

Offline AMC1

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Re: Looking to Straight pipe. How should I do this?
« Reply #6 on: March 24, 2019, 01:12:19 PM »
I'll probably be able to contribute to this thread soon since I need a complete exhaust system. I've always done my own work but of course can't get the OTC parts anymore. I don't believe a shop will be able to make accurate parts from my old parts if I bring them in which I would prefer. They will need the car but it has been my impression that a shop will replace what is on the car that you bring to them. Mine are not factory stock. A shop will not remove a Cat. for you but if there isn't one there they can replace what is there. I've been that route before but I'll soon find out again and/or possibly check out a few shops.
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Offline RallyEagle

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Re: Looking to Straight pipe. How should I do this?
« Reply #7 on: March 24, 2019, 07:36:00 PM »
I too will find this out soon. No cats installed now on the v8. It needs a complete exhaust system so off it will go to a custom shop and I'll find out what they can and can not do.

Follow up...  One shop said since if it is a race car and no plates, then the exhaust can be whatever the owner wants.  If plated, then they have to follow the rules for the year, make and model.  Another shop said similar story.  So around here, if the car is suppose to have a CAT, then a CAT has to be there or they place one in.
« Last Edit: March 25, 2019, 01:59:52 PM by RallyEagle »

Offline Ace2600

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Re: Looking to Straight pipe. How should I do this?
« Reply #8 on: March 26, 2019, 05:07:12 PM »
Well, I talked to a close family friend, and they say they can get it done for me. Thanks for the feedback!

 

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