I took mine to a local exhaust shop and talked to the guy. He put a different muffler on it and split the exhaust there. The cat was previously removed. Sounds awesome. Nice throaty sound
Stock motor
- Thread starter poppachap27
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But....but...don't you and your muffler guy know about the federal law?
Long tube ceramic coated headers, 2 1/2 pipe, two nice turbo mufflers dumped behind the rears wheels. Hagerty Insurance. I can do whatever I want and still drive it but mine is a toy. Thank you Arizona.
C'mon man.......don't you know some govt bureacrat (rather than yourself) gets to decide what exhaust you put on your car???
You are going to give Tie Pilot an aneurysm.
Do What? If you want more anything from a 307, you're going to have to add a turbo, a blower or a Procharger, any of which will hit you for $3000 just for the parts. Even then, you won't have half what you would with a 327 or 350 built right. Other than what I listed, if you try to do anything else to a 307, you're actually losing power and wasting money. Anything bigger than 2 inch pipes on a 305 or 307 kills the power because it needs restriction to help develop the little power that they make. Do some research. I tried it once on a 4WD Blazer just because the owner paid me to do it. It bogged it down so bad that he wanted 2 inch duals put back on.
Maybe you should do a bit of research. VIN 9 Olds 307 used standard 2.25" exhuast. 2.5" wouldn't be a stretch if someone were to go that route.
And once again, off the rails we go again when someone is asking about STOCK replacement stuff and answers to questions that nobody asked show up...
Could we just stick with trying to help out with the request instead of fighting out over opinions about exhaust systems that weren't even asked about?
Waldron exhaust can make you some 8x4 mufflers to stock lengths for a slightly pricey 230 bucks for aluminized steel. They'll be 1/2" thicker than stock, but oh well. You could have them do a mini-Imitator muffler option or whatever their middle sounding muffler is. Then have a good muffler shop fab you up a Y pipe and tail pipes with the correct type of hanger brackets welded on, bolt it all together and you'll have as close to a stock style exhaust as you'll get. You'll probably have to corner dent the mufflers yourself if you want that look.
The crinkle pipes aren't typical anymore unless you got the special die for your horseshoe bender because they're not mass producing the pipes using heat. So factory crinkles are probably not in your future.
I totally disagree, I noticed a seat of the pants improvement with a full length headers and 2.25" dual exhaust on a Vin Y 307. The Vin 9 has the smog 455 cam, actually slightly more lift. Do it smarter, fool everyone but 69HurstOlds. Something Ford did it in 85 on the Mustang. They kept single exhaust, increased size of all the pipe, Y pipe 1 3/4" to 2.25" and 2.25" to 2.5" and added shorty headers. Like the FE3X Olds Prototype, Ford gained 30 hp with the only difference being a tiny bit better roller cam for 85. Enlarge from the crossover pipe all the way back. You will gain some and power AND sound. Unless they get out the caliper, how will they know it isn't stock?
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