go extractors!!!

I got a 4-1 branch and 2inch straight thru pipe, It sounds awesome!!!! (it also failed rego at 100db (95 is a pass)

Other day the roar from the mighty 120Y literally scared some chick like a deer in the headlights (it was day time)

She was crossin the road about 150m ahead of me (no ped crossing just jaywalkin) when I dropped first she looked up, as I snapped second her eyes widened. She seemed to loose all motor control and just stood in the middle of the road while I continued to rev second right out then smash third while steering off the side of the road to avoid this statue who seemed to recover her senses just as the evil DAT left her behind in a whirlwind or exhaust noise (all of this occurred under the speed limit the exhaust just sounds damm great)

Ah ha ha ha ha I LOVE Datsuns

dont want to sound like a noob, but i just inherited a 120y wagon.. 100% stock 4 speed, and i put a 2 inch exhaust and strait through muffler on it.. now it is really quiet.. im not sure if my expectations are too high (with loudness) when we cut it off under the front seat before we took it to the exhaust shop.. because that was literally deafening .. but i loved it, so id the manifold to restricting for the larger exhaust, should i get extractors.. im not looking at modding the engine at all, besides new leads and plugs, and maybe tune the carbie a little.. should i cut the exhaust before it goes over my diff? or just take the muffler off :P.. just annoying because i actually paid for it to be quieter..

yea, ok... i know it as a bannana branch. my mini has one.

i would love to mod my engine a bit but its my daily driver & i cant afford to have it off the road for a couple of days!!

i need to service it tho, so i'll look arnd to see if i can get another a12 head & cam & get those modded, then it should just be a matter of swapping over.

wen i had my stand a12 in the 1k i had extractors 4-2-1 to two inch all the way and a small mufler at the back
and that sounded real good(well thats my opinion)

wen i had my stand a12 in the 1k i had extractors 4-2-1 to two inch all the way and a small mufler at the back
and that sounded real good(well thats my opinion)

I run 4 into 1 extractors with a 1.75 inch exhaust with an 18 inch long straight through resonator and a dynaflow rear muffler. It's really quiet at idle (nearly as quiet as modern cars) but when you give it a bootfull it still sounds ok. Much deeper and better sounding than the standard exhaust - and it gets no attention from the cops.

My a12 is nearly stock, just running a high lift cam and a re-jetted standard carb. Surprisingly, to get the mixtures right we actually reduced the size of the main jet because the engine was running rich. I guess they must run rich stock also?

It is a fun little car to drive - sure not the quickest, but I can get 41mpg cruising at 120 - 130 km/h and it keeps up with modern traffic just fine.

Extractors are like exhaust manifold but designed to up the performance of the engine i.e let it breath better than the stock manifold.They are what the guys here call a BANANA BRANCH it should change the sound of your engine but I agree with the guy at Carb Kings adding this stuff to a stock motor wont really do much for performance also if you are having problems with your motor and it's not up to scratch I think adding a branch (extractors) would be a waste.I say rebuild your motor with a mild cam,skimmed head and then upgrade your carb to 32\36 Weber and 4-1 extractors and you should have a Datto that wont be the fastest but would still be a treat to drive.

Only my two cents worth

i mentioned to the guy that owns carb king that i was looking for a weber dgv & he said it will push my fuel consumption way up without doing anything for performance?!?!? He said i need to mod the engine first to achieve anything with that carb - so i just stuck to my original. I do need to replace it still.

So, can anyone explain to me what the bigger size pipe does - besides get the exhaust fumes away faster from the engine? is there a benefit gained from running a 2 inch pipe on a standard engine? how much influence on exhaust sound does the intake (ie: carb) have? Besides rust prevention, is there any other benefit of having stainless steel piping or boxes? what box (muffler) type would be best to use?

What in the world are extractors? (same as exhaust manifold?)

Little dark one, are you using that setup on your a14 or a12? I have an a12 i believe... & my budget isnt big at all.

What are dump pipes?

Shucks, sorry for sounding like such a noob! but without questions, there would be no answers!!!! ;o)

The muffler/box on the 1200 is not that restrictive compared to one on a modern car. So taking it out and fitting a straignt through resonator will not make the car overly loud. But may give you a nice note.

For a real growl go some extractors and increase the diameter of the pipe slightly.

Ethan I have standard A15 exhaust manifold and I also have 4-1 extractors if you are interested call me or email me.