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Pontiac of the Month

31pontiac's 1959 Bonneville

2022 November
of the Month

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How do i make this sound good...


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I need to figure out how the hell to make my car sound better.... 3800 exahust sounds...all poo poo


Idea me pls! and yes i checked you tube.... hard to find a N/A gt on there though.

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  • 2 weeks later...

Couple magnaflows or a flowmaster muffler. Exhaust tuning for sound is difficult. So many things affect it. A lot is dictated by the engine design too and there's only so much you can do to make it sound better. Mine doesn't sound like a ferrari or anything (lol) but I've heard NA 3800's with exhausts before and personally I think my 3400 sounds better. The difference is the angle between the cylinder banks.

V6's are naturally not as balanced as a V8 in regards to combustion events. The number of cylinders, angle between the banks, and design of the crank shaft determines the timing of the exhaust pulses and the forces on the crank shaft. A 90 degree v6 doesn't have any of those forces balanced. A 60 degree v6 doesn't have rotational forces balanced, but 60 divides even into 360 (degrees of crank rotation) so the firing forces are balanced and the exhaust pulse timing is different. Hence why I prefer the sound of my v6, while an Ls1 v8 sounds even better, and a ferrari v8 with a flat plane crank sounds like pure sex! :rofl:

The rest is up to header and exhaust design. Proper cylinder pairing on primaries will change the sound, as will equal length primaries. My header design is very much a compromise because of the transverse engine and space available, but the exhaust note still sounded better after I got them. It changed again when I got a bigger cam. I'm back to a stock cam again, and the sound changed yet again. Even different tip styles can affect it. You could spend a lot of money trying different combinations.

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