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-   -   need help with exhaust (https://www.cmoc.ca/general-mustang-tech-chat-46/need-help-exhaust-20801/)

onetuffstang 01-07-2016 09:39 AM


Originally Posted by ChadStang (Post 202559)
I don't have a lot of experience with the V6 cars but I would guess that a 4.0 and 3.7 are not going to sound the same even though you use the same setup. Just some food for thought.

Totally agree with you chadstang as long as my car doesn't sound raspy I'll be happy haha.

Autonut 01-07-2016 01:53 PM


Originally Posted by onetuffstang (Post 202560)
Totally agree with you chadstang as long as my car doesn't sound raspy I'll be happy haha.

There's no rasp to mine at all. But it doesn't sound like a V8 either.

roddy 01-07-2016 08:26 PM

Autonut and I both have 4.0 cars, and ChadStang has a good point...the 3.7 and 4.0 are different animals. Both are 60 degree V6 engines (a configuration that lends itself to rasp/buzziness), but the higher revving better breathing 3.7 is even more prone to it than the 4.0. Generally speaking, baffled (stock style) mufflers, or ones that contain packing (like Magnaflow and some others) are better at killing that rasp than chambered (like MAC or Flowmaster) mufflers. Mid pipes (from the cats to the mufflers) can also make a difference...X-pipes tend to raise the pitch and buzz/rasp, while H-pipes and chambered style mid-pipes typically do the opposite.


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