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Hey everyone. I have a 340 right side exhaust manifold with a piece missing at the exhaust pipe bolt flange. I was wondering if it can be welded. What type of rod should you use? I can still bolt up a headpipe if I use a washer to span the missing section and it doesn't leak but I'd like it...

I'm going to redo my exhaust system this winter and I'm taking my old stuff apart. I have Accurate pipes and mufflers on it now and want to replace the 2 1/4 pipe with 2 1/2 and new mufflers. Out of curiosity I cut an old muffler apart and I was shock to see how restrictive it is inside...

Does anyone know where I can buy 2 1/2" mandrel bent head pipes that come off 68 340 exhaust manifolds? I know TTI makes a set but they have a big dent to clear the torsion bar on the left side. Is denting the only to get 2 1/2 pipe around the bar?

Hey Guys, I was wondering if there would be any benefit of installing an x pipe on my car. The engine is a mild build, around 275 horse. It's a 340/373 cube 9.68;1 compression with EQ magnum heads, Hughes cam with 219/228 at .050. I have the HP 340 manifolds and the 340 Accurate 2.25 full dual...

HELP! I have a 340 motor with magnum heads and I want to put my 69 340 manifolds on it. They bolt up just fine,but the port size mismatch will cause a huge exhaust leak. The magnum ports are about a 1/2 " smaller in height and causes a gap on the bottom of the exhaust manifold. Has anybody else...