Celica Forums General Discussion Exterior ARE TWO MUFFLERS BETTER THAN ONE

HELLO PARTICIPANTS OF THE CELICA WORLD ORDER. I HAVE A QUICK QUESTION. I HAVE A CELICA GTS SPORTS SHIFT AND I WANT TO BUY A NEW MUFFLER FOR SOUND AND HORSE POWER. WHICH ONE SHOULD I GET AND ALSO IF I PUT ON 2 MUFFLERS ONE ON THE LEFT AND ONE ON THE RIGHT. WILL I LOSE POWER THAT WAY???

People say dual exhausts will make you lose power and that the only way not to lose power with a dual exhaust is to make a fake one(one muffler actually working, the other not).

I would use Apex'i N1 or Tanabe super racing medallion mufflers(authentic), but that's just me. You could use any muffler you want.

THANKS 4 THE RESPONSE DUDE. WHAT ABOUT THE FLAME COMING OUT THE EXAUST. WHER CAN I GO 2 GET THAT INSTALLED? OH YEA TO ADD A EXAUST I REALLY DONT NEED A WHOLE CAT BACK DO I?

First off, flame thrower kits are illegal. But if you still want to get one you can get it at www.autothisworld.com [autothisworld.com]

If you just get mufflers, all you're doing is adding sound and possibly a tiny, tiny bit of horsepower. To do an exhaust right and get the most out of an exhaust is to have the right piping and a resonator if you want one. If you don't want to fool with buying the mufflers, taking it to a shop and having them welded on to piping, then the best legal exhaust that gives the most HP for the Celica is the TRD exhaust.

OK SO ILL JUST ADD ONE BUT I WANT AS MUCH HP AS POSSIBLE SO SHOULD I JUST CHANGE THE WHOLE STOCK EXAUST AND AND A NEW CAT BACK IS THAT WHAT UR SAYING OR EITHER WAY IS GOOD. PLEASE LET ME KNOW WHAT U WOULD DO

another way to get a dual and not lose power (but not really gain any) is to have the piping in a "Y" shape...

dont get the flamethower...

Yes, get the muffler(s) you want and take it to a shop and get 2.5" piping from the cat back. If you want it to be as free-flowing as possible, don't have them install a resonator. Although, w/o a res. it will be a little bit louder than if you had one. Not very loud though.

not on our cars...

if a car doesn't come with duels, leave it like that...

when it has duel's, then obviously they must help

^^^ditto

duals on a 4 cylinder do not add power they lose power.

on any four cylinder.

duals only work if it is a v engine. like a v6 or v8 or v12

the reason is cause there is 2 seperate banks of cylinders each having their own header and exhaust. even if you add a y pipe it will lose power.

teh supra had a single exhaust case it was a inline 6

but since you have a auto duals will make no difference cause the slight very slight gain you will get will not be noticeable.

what about the dual exhaust sunfires? i doubt they put dual exhaust on the car to lose hp:) anyone have any info on their setup and how it runs? or is it fake and Y pipes into 2 exhausts?

its fake you can;t physically have dual exhaust on any four cylinder period.

it has a y pipe and that is not dual exhaust

Um... on older 1st gen sunfire GT's they came with an optional V6 engine, so if you see a sunfire with duals, odds are, it has a V6. They only made the V6 sunfires for 2 model years or so, however. The V6 models were easily recognizable by their dual, oval tip exhaust from the factory.

It's a bummer that the Sunfire GT kept the V6 for a while, but the cavailiers lost the V6 as soon as the ecotec became the mainstay (the V6 Z24's were notorious for making power!)

What year did they have a V6?

Sorry, My bad. I always thought the 95-96 model year sunfire came with the V6 from the factory. I was wrong...

It actually came with a 2.3-liter DOHC 16-valve Quad 4 engine (made 150 HP, the base motor made something like 115-120 HP). The cylinders were in a V-configuration on this engine, allowing it to run a dual exhaust no problem (cylinders were two by two, from what I can recall) The quad four was also a mainstay of earlier small oldsmobiles and sunbirds. I've seen a lot of them in junkyards, usually single-cam models with TBI (throttle body injection) the Sunfire GT's quad-4 ran MPFI (multi-port fuel injection) and two cams. The most unique feature of this perticular engine was it's v-configuration of the cylinders and twin exhaust manifolds. Back when I owned an older cavalier, I used to search lots of these cars
in wrecking yards for swappable parts (center consoles, armrests, shift knobs, etc.)
After this engine was replaced by the newer Ecotec, it made the switch over to single exhaust.

My bad. I was led to believe that the '95 or the '96 years of the sunfire had an optional V6 on the GT models. As of yet, I have found no confirmation of this fact. All that I can say for sure is for the first couple years, the GT's had a different engine than the high-performance ecotec engine that definitely replaced it, and is almost identical to the ecotec engines that are used to this day.

BTW, Subarus can handle dual exhaust as well. They run boxer fours, cylinders run two-by-two, on either side of the engine, and pistons move left-to-right, not up and down like conventional four cylinder engines.

I know a few guys have successfuly swapped earlier, iron block v6's from older cavaliers/sunbirds into the newer chassis. Perhaps that's where my confusion originated from.