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Do the facctory 1968 340 exhaust manifolds use the same two studs on the extreme ends (with four other bolts) like the 318 or are the studs eliminated by using six bolts? Thank you.

I have two passenger side exhaust manifolds (casting #3418623s see photo) for the 340 I am putting together and I can't find a driver's side (casting 3418621). I have a pair of 318 exhaust manifolds on the '71 BBody I am working on. Will I be able to use the driver side 318 exhaust manifold on a...

My ten-year old TTI exhaust system is starting to show some spotty rust in a few sparse areas. The system is currently out of the vehicle. Would like to freshen it up with some heat resistant paint (rattle cans). I get the feeling this aluminized tubing may react like galvanized metal and reject...

According to 1971 Plymouth Dealer Guide found on hamtramck-historical.com, 1971 "Decorative Exhaust Tip" option N42 for $21.90 was standard on GTX and Hemi, optional on Road Runner and not available on other models. However, there is a note: N/A California. So GTX and Hemi vehicles sold in...

The head pipe part numbers are for the factory 68-70 340 hi performance exhaust manifolds driver casting #2863553 (EB25LE) and passenger casting #2863549 (A25RE). The pair of 2.5" head pipes are listed for $193.00 for the moment. Just wondering about the fit of this particular TTI product and...

I was just curious what a street hemi sounded like from the factory as equipped, stock camshaft and stock exhaust system. I know later years used a hydraulic camshaft which might have quieted engine noise a little more. Thank you.

I plan to run my 318 as a stock motor (for awhile anyway) but would like to hear that throaty glass pack sound. My question is, what would actually sound better to the ear: A) a single 2 1/4 inch exhaust system with one 18" slip-on purple hornie or B) a dual 2 1/4 inch exhaust system with two...