71bigblock: Yes, that's true. I did and still do have a small block in my Challenger. Originally, the 360 SB was bored and stroked to a 383 (so the previous owner claims). By my calculations, it was actually a 382. Anyway, now it's a 414 cid. Still the same 360 block with same +.060 bore, but with 4"stroke crank. TTI's website doesn't have different part #s for their exhaust systems for SB or BB. The 'headers' would be specific for the engine type. I'm almost 100% certain that the exhaust systems will fit either big or small block headers and I believe that's the purpose of the TTI header adapters that are included with a set of their headers (which I'm including in this sale). I bought and used their headers, but didn't end up using the exhaust system or the header adapters.
Four40Cuda: Fabricating and fitting the over axle pipes was not an easy task. I had the whole exhaust custom fabricated (just to be consistent) rather than use the TTI X-pipe with Dynomax mufflers and custom over axle pipes. The fabricator had to make the over axle pieces (from back of mufflers to the tips) in four sections. He did a great job and fit the 3" pipes right in between the relocated leaf springs and the gas tank. He was even able to use the original tip hangers that attach to the trunk pan. I'll try and take pictures and post them soon.