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Old 11-12-2025, 12:37 PM
RocktimusPryme's Avatar
RocktimusPryme RocktimusPryme is offline
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Join Date: Jul 2014
Location: Bedford, IN
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Default WTB cheap used 3.5” mufflers

I first fired my gasser project last night. Huge win. But open header in the garage is brutal to work on and tune it on. I have a set of Borla XR1 multi core mufflers saved, but I also have more important things to spend $400 on right now. And the car is a ways from me being able to move it outside, which is why I shouldn’t spend $400 on mufflers when I need a driveshaft for starters.

I’m going to buy a set of slip on 18” extensions from Summit to put my O2 bung in (these headers collectors don’t have a flange). I just want a set of used mufflers I can toss on the end of those extensions to hear myself think. When it’s so loud it’s hard to even tell if it’s running right.

If anyone has some ugly dirt cheap 3.5” mufflers laying around they want to let go of I’m interested. The only big tube mufflers I can find cheap online are like 4” long resonators. Which won’t do much.

I might consider a 3” or 4” and use an adapter, but 3.5 is preferred. Simple and easy for me to toss on temporarily is the goal here.

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1967 Firebird 462 580hp/590ftlbs
1962 Pontiac Catalina Safari Swapped in Turd of an Olds 455
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