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Old 07-28-2013, 12:50 PM
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74 nova custom exhaust

What exhaust should I use on my 74 nova 350 ? We bought it with headers, Just want to keep the car sounding nice and throaty.

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Old 07-28-2013, 01:57 PM
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Very hard to say for sure.. What we think sounds good might not be what you like....
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knucknuck (07-28-2013)
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Old 07-28-2013, 02:51 PM
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Are you looking for a factory built / prefab exhaust kit like Magna-flow, Flowmaster, Pypes or even Jegs, Summit brands offer? Or are you asking for what size pipes and mufflers would work with your combo?
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Old 07-28-2013, 08:18 PM
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If it is street legal I like.
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Old 07-28-2013, 08:22 PM
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I have 2 1/2'' headers not sure what kind, but the came on the car I like low Idle and loud throttle.
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Old 07-29-2013, 04:06 AM
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Take the car to your local muffler shop. Have them run a set of aluminized 2" pipes out the back using some turbo mufflers. It will sound nice and wont break the bank. Put on a nice set of tips to dress it up.
Mark
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Old 07-30-2013, 12:42 PM
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I have found exhaust for around two bills, It is a kit by summit, I think I will try it out.
Besides,You never Know until you try it.
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Old 07-30-2013, 09:58 PM
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If our vehicle is on non-opp does the vehicle have a catalytic converter ?
It has hooker headers.
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Old 07-31-2013, 08:34 AM
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Check with the state laws on the converters. 2 1/4 with turbo or flow masters should be good for your set up. The Thrush, Summit Welded & Proflo mufflers are cheaper alternatives to Flow masters. Alike sounds without the high cost.

I have used the Summit brand exhaust parts with good results. Go with aluminuminized pipe for a long lasting system.
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knucknuck (08-03-2013)
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Old 07-31-2013, 08:12 PM
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74 nova custom-two door

Thank you for your advise.
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Old 08-01-2013, 07:59 PM
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I wouldnt use any system thats smaller than 2 1/2 inch,even on a 283. The system is quieter with an X pipe or H pipe.
My car has a little power,so I use a 3 inch system with an X pipe. The only advantage to using a 2 inch system is the cost,,,
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Old 08-02-2013, 08:44 AM
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I bought the Summit 2.5" dual exhaust system and put it on my '71 Camaro. It was a very nice system with the turbo style mufflers, and was just the right sound level to my ear. Not too loud, but not too quiet either.
It fit very nicely, and went together easily too. I didn't use many of the supplied clamps, as I have a MIG and welded most the connections. Be sure to loosely assemble the whole system, and check fit before tightening or making any changes! I had to trim some of the lengths to make it fit exactly, but only a couple inches off an end here and there.
I bought a Jegs system for a Chevelle and cut it up to use on my Falcon project with 464 Chevy engine. It also was a good system, but came without mufflers. I got Flowmaster 40's for it, and regret the choice a little. It's louder than I like, and wish I'd gone with a higher level to quiet it a bit more.
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knucknuck (08-02-2013)
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Old 08-02-2013, 08:56 AM
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Quote:
Originally Posted by knucknuck View Post
If our vehicle is on non-opp does the vehicle have a catalytic converter ?
It has hooker headers.
Huh?

Catalytic converters were not required by the EPA until the 1975 model year.

In any case, I'd use a 2.5" exhaust system. You can probably find pre-bent systems for a Nova for less than a custom-built system. More importantly, most muffler shops do NOT have a mandrel bender, whereas a quality aftermarket exhaust will be mandrel bent.
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Old 08-02-2013, 09:51 AM
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There are no specs listed but I took this to be a stock engine with some headers thrown on it... Am I right? If so 2 inch pipes will work just fine for this 145 horsepower V8...
Mark
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knucknuck (08-02-2013)
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Old 08-02-2013, 07:56 PM
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The car was from occupational school mechanics course, so I really believe it is stock. 2'' headers 21/2'' hooker header too exhaust.
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