JBA exhaust systems

Yep, next time I'll go custom.

Yep, next time I'll go custom. The Magnaflow system seemed like a good deal on paper. I'll try to find someone to rework these ill-fitting Magnaflow pieces since Magnaflow won't step up. At this point, probably would be the same price or cheaper to do custom from the start. Lesson learned.

Rusty67 said:

Buy some Magnaflow mufflers and have someone build you a custom exhaust system. Nothing like a custom mandril bent exhaust setup.

Click to expand...

Here's a photo

The photo below shows one of the defective tailpipes. The tailpipe should be 36" in length measured from end to end in a straight line (36" was confirmed by Magnaflow).

The photo below shows the pipe to be about 32.5" (although it was hard to get both ends of the pipe to show up in the photo with the tape measure). The missing length is at the end of the pipe only.

So if you buy the magnaflow kit 15815 for 64-66 Mustangs test fit the kit immediately and see if your tailpipes are also too short (or go custom and save yourself the hassle). This is most noticeable when exiting the pipes out the rear valance. If you run turn-downs be careful not to let the exhaust exit too far under the car or it could let fumes enter the cabin.

It's utterly strange to me how 32.5" pipes can pass a quality control test when the plans call for 36".