Something you might consider, is running 3" pipes under the axle. I did that on my previous 70. The only bad part was having to drop the exhaust if I wanted to drop the rearend.
I considered that, but I'm just afraid of the way it'll look. On the flip side about dropping the rear, it'll be much easier to drop the exhaust, to remove the transmission, which I seem to remove MUCH more than the rear end....lol
If you fit the 3" you won't regret it.... it sounds awesome compared to a 2.5" system. Let's face it guys we all want performance from our cars and the 3" don't hurt that effort and the exhaust note is bitchen... and what true hot rodder does'nt want that?
i struggled to find anyone with pictures of 3" exhaust when i was looking. one person posted his setup for me that he handbuilt and did a decent job.
i couldn't find anyone locally that had a mandrel bender. the main reason i wanted mandrel bends was for looks. i didn't want to see a bunch of crushed bends.
if you are going to have people look under your car at all, then try your best to not run them under the axle.
i don't believe you have the mach one or rear valance with exhaust cutouts, so yours should be a little easier.
the magnaflow 3" kit stops short of the valance. or at least the kits i've seen were short.
this is a 69 staggered shock car with 3" i saw a mecum a few years ago when i was looking for exhaust setups. it really looked like the magnaflow kit to me. maybe others can post pics of their magnaflow setups.
I have done it but i think the bends were to restricted in the flow of exhaust, but was thinking about buying a bunch of u bends and making my own, just have not done it yet ran it out through the factory exhaust hoke were orginals trumpets went
This is the route I went with 2 1/2". I bought a Flowmaster tailpipe kit from summit for an Olds cutlass - mandrel bent. Cut it up and it was a LOT cheaper than buying bends. That said, its a BIG job that goes on and on. In the end you get a nice system laced right where you want it. I was lacing around a custom Watts link. 3" is definitely doable with no link - there is room, it just takes a little artistic flair to do it elegantly so it doesn't rattle.
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