Any advice on a louder muffler?

JohnLocker

JohnLocker

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Kinda thinking about removing or doing something so I can make my 4runner louder but i also wanna spit flames just a bit ik this isn’t no race car but nothing wrong with a baja spittin flames! So anyone know where and how i can get started with this? Every piece of advice would be helpful thank you.


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Straight pipe with 02 sensor emulation would accomplish what your after. The cat would have to be a Straight through to give you a popcorn tune.

Granted, probably illegal and you fail every emission test that exists. I would recommend against this and wouldn't do it. However, this is just my opinion. :)

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god damn it sounds badass but i don’t wanna fail an emissions test. Any one got other ideas


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Six cylinder engines sound like a bumble bee to me.

Any strait through Glass Pack should work in place of the muffler.

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Years ago,my brother had a 91 accord. With over 300k clock and was exempt from emissions he had a high flow cat on it with a straight throw muffler. It would shoot flames out the pipe about a foot at night. It was extremely loud and we could chirp tires grabbing 3rd. Really jack rabbit off from a stop and accelerate better then 95% of the cars out there. It was right before Honda really started emissioning the engines up. Being it was a 2 door coupe it was very light.

That car was fun to drive...:)

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My advice? I would only say the Gibson exhaust... and really I'd need to hear it in person before calling it...

BUT...also... if you just want sound. Do the Intake Silencer Removal mod and maybe the deckplate. To me, intake sounds sound better when you do not have a v8
 
I drove mine around the block with everything after the gutted cat removed, it sounded like complete ass, like something a crackhead would drive around.

You’re not going to get pops and bangs and flames unless you get a stand-alone ecu and tune it for that, my Miata will shoot flames when I flat foot shift if I have it turned on in mega squirt, it’s not straight piped either.

I’d look at a flow master super 44 or something similar, should be pretty loud and not sound like you’re on your way to buy meth
 
JohnLocker said:
god damn it sounds badass but i don’t wanna fail an emissions test. Any one got other ideas


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I very much doubt you're gonna be able to spit flames *and* pass an emissions test at the same time.

I'm no exhaust expert but I don't think it'll work out that way.
 
RandyBobandy said:
I drove mine around the block with everything after the gutted cat removed, it sounded like complete ass, like something a crackhead would drive around.

You’re not going to get pops and bangs and flames unless you get a stand-alone ecu and tune it for that, my Miata will shoot flames when I flat foot shift if I have it turned on in mega squirt, it’s not straight piped either.

I’d look at a flow master super 44 or something similar, should be pretty loud and not sound like you’re on your way to buy meth
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[MENTION=679332]JohnLocker[/MENTION] I've heard a FlowMaster Super 44 on a 3rd gen in person. It was really quite loud and surprisingly deep. Still sounded like a V6, but if it's volume you're after, the Super 44 was (IMO) loud enough to disturb the peace in a residential area. Of course this is subjective. If you like a straight piped V6 sound, then maybe you won't think the Super 44 is all that loud? I remember thinking it was "too loud" which might be just about right for you?

Best of luck! keep us updated
 
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It sounds like you need an Emissions Testing Exhaust System and a Set Off Car Alarms System and swap them in and out as needed. You can't really have both. My buddy goes through a complicated swap on his 911 every 2 years and it costs him 1000 bucks with a certified Porsche mechanic. Luckily these trucks are a piece of cake, comparatively. I currently have a Magnaflow overland kit from a Group Buy (whatever happened to those?) with the j-pipe and resonator removed and still set off the occasional alarm. Loud enough for me but it sounds like you are looking for a lot more Braaaaap.
 
I think i might go with the flow master super 44 just don’t know if it passes emissions


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JohnLocker said:
I think i might go with the flow master super 44 just don’t know if it passes emissions


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I didn't catch what year your rig is. From 2000 on CA uses data from the ECU - no tail pipe sniffer. Unless you get a stickler of a smog tech with a decibel gauge, it should be fine. "should" - I am not CA smog tech.

Quick search results on the 44:

"Check with the seller especially when it comes to sound. California, being the strictest state in the US – only allows vehicles to produce sound up to 95 dB.

Emission wise, the Super 44 is compliant. Sound wise, it may differ from 1 car to another (due to engine size). Which is why, I urge you to confirm with the seller for your local driving."

The Super 40 is fully compliant but less violent.

Edit - If you can get the stock cat-back exhaust from a pick-n-pull yard, I'd just make a smog-friendly testing system. The exhaust from the Cat(s) back are real easy to work with (bolts together at flange), and I can be pretty ham-fisted. The only issue I see getting the exhaust off in one piece is getting the truck high enough off the ground to get the final piece to bend over the axle and out...I had to saw mine out.
 
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Endlessblockades said:
I didn't catch what year your rig is. From 2000 on CA uses data from the ECU - no tail pipe sniffer. Unless you get a stickler of a smog tech with a decibel gauge, it should be fine. "should" - I am not CA smog tech.

Quick search results on the 44:

"Check with the seller especially when it comes to sound. California, being the strictest state in the US – only allows vehicles to produce sound up to 95 dB.

Emission wise, the Super 44 is compliant. Sound wise, it may differ from 1 car to another (due to engine size). Which is why, I urge you to confirm with the seller for your local driving."

The Super 40 is fully compliant but less violent.

Edit - If you can get the stock cat-back exhaust from a pick-n-pull yard, I'd just make a smog-friendly testing system. The exhaust from the Cat(s) back are real easy to work with (bolts together at flange), and I can be pretty ham-fisted. The only issue I see getting the exhaust off in one piece is getting the truck high enough off the ground to get the final piece to bend over the axle and out...I had to saw mine out.
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I have a 2001 SR5 I will be buying from 4wheelparts cause they have the Super 44. I have a 3.4L V6


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Endlessblockades said:
Sick - post some sound when you get it on the rig.
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also i’m not gonna go with the cat back unless Holley tells me I have too cause right now I just want to go with the Super 44. I just made a ticket with Holley to get in contact with a technician about some questions I have about the Super 44.


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The only muffler that will not pass a CA smog test is the one that is not installed. Any and all mufflers on the market currently will pass. If somehow you manage to produce more than 95 dB of sound going 15 MPH and 25 MPH on the rollers, hats off to you my friend. My 3" exhaust isn't even that loud and I set off car alarms all the time doing 25 MPH in my neighborhood.

Shooting flames out the back is cool if you are playing Need for Speed but in real life the unburnt fuel through your catalytic converter will cause premature failure. The part costs over $1500 from Toyota so I don't recommend doing it.
 
gamefreakgc said:
Shooting flames out the back is cool if you are playing Need for Speed but in real life the unburnt fuel through your catalytic converter will cause premature failure. The part costs over $1500 from Toyota so I don't recommend doing it.
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And, in addition, if you live in Cali (or anywhere out west in recent years) this is just irresponsible with respect to wildfires. Even the safety chains on your trailer dragging on the ground creating sparks are under scrutiny.

Please don't.
 
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