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I just purchased a 1978 Impala. I want to put headers and flowmasters on it to make it sound better. Can you guys give me some advice on which headers and mufflers i should go with?
4 posters
1978 Impala Exhaust
tero78- Newbie (Tier 1)
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Join date : 2019-10-06
Boogie1468- Active Member (Tier 2)
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Join date : 2015-09-09
Location : Davisburg, Michigan, USA
Your bigger problem will be insufficient clearance under the transmission cross member for the left side downpipe. I believe that headers generally are more trouble than they are worth, and an exhaust system off a 96 Impala SS or Caprice would be more trouble free. As for mufflers, I personally like the Magnaflow stainless straight through mufflers.
83olds88- Newbie (Tier 1)
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I was shopping around for some cheaper good sounding 2 chamber mufflers for my 83 olds and I stubble across some mufflers called Flowmonster and they sound very good if not better than flowmasters for the price. Here’s the link...
https://amzn.to/2Q6NFKv
https://amzn.to/2Q6NFKv
Kit1078- Freshman Member (Tier 3)
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Join date : 2015-04-26
Location : Northeast Ohio
I'm using a Pypes exhaust for a 64-67 chevelle, tho I did have to cut the tailpipes in 3 places and weld them back together to fit properly and clearance the left side of my transmission crossmember. The 64-67 Chevelle/Cutlass/Malibu has a 115 inch wheel base, so the exhaust works decently on the 77-up B Body with a 116 inch wheel base. Magnaflow's setup and Flowmaster's exhaust look like they'll work ok. I think the Buford T. Justice Caprice (LINK: https://bangshift.com/category/general-news/project-cars/bangshiftprojects/buford/ ) uses the flowmaster kit.
