Can someone tell me if these flowmasters and pipes will fit my 86 Buick regal??

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Yes, they will fit if they are off of 78-88 Monte, though you may have to do some slight mods to hook up to your manifolds /headers. Other than that they should bolt right up. $175 isn't bad considering the price of Flowmasters and having the rest of the system bent up to fit.
 
Do you have headers on your car now?

This pics shows the lead pipes are setup for headers...

KJYCmH.jpg


if you don't have headers you'll have to get someone to modify them to work with your stock exhaust manifolds. The tail pipes you may be able to clamp them. If your Regal doesn't have dual exhaust now you'll also have to mod the trans crossmember or swap for a aftermarket one setup for duals.
 
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The collectors look like ball and socket so unless you have headers that will work you will need to change the collectors. Also there is no catalytic converters on that that system and I don't know what the laws are in your area.
 
I would ask the seller if the pipes were ran under the crossmember on the driver's side or if they had a notched or dual exhaust specific crossmember. In the pic it looks to me like they flattened out the spot that goes under the crossmember. You lose a little bit of ground clearance that way vs a notched or aftermarket crossmember.
 
You will need to fab some head pipes if you want to match up to a 307. An exhaust shop ought to be able to do that for maybe $100.
 
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