How do I make my exhaust "crackel" - TCCoA Forums
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post #1 of 47 (permalink) Old 02-07-2010, 02:26 PM Thread Starter
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How do I make my exhaust "crackel"

Right now my exhaust setup is straight piped with flowmaster tips. Everytime I hear my friends dads exhaust on his 8.1 liter Silverado crackle when he is driving I wish my would do that. My car sounds really good all smooth, but I would rather it crackel instead. Does anyone have any idea how to make it do this?
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post #2 of 47 (permalink) Old 02-07-2010, 02:38 PM
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Originally Posted by Justin13 View Post
Right now my exhaust setup is straight piped with flowmaster tips. Everytime I hear my friends dads exhaust on his 8.1 liter Silverado crackle when he is driving I wish my would do that. My car sounds really good all smooth, but I would rather it crackel instead. Does anyone have any idea how to make it do this?
How to make it sound like a Chevrolet running sh.tty? You could pul a spark plug wire off or two...

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post #3 of 47 (permalink) Old 02-07-2010, 02:46 PM Thread Starter
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No it doesn't run sh.tty. It's basically a brand new truck. His is also straight piped.
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post #4 of 47 (permalink) Old 02-07-2010, 02:50 PM
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Quote:
Originally Posted by Justin13 View Post
Right now my exhaust setup is straight piped with flowmaster tips. Everytime I hear my friends dads exhaust on his 8.1 liter Silverado crackle when he is driving I wish my would do that. My car sounds really good all smooth, but I would rather it crackel instead. Does anyone have any idea how to make it do this?
I'll keep my "stock pickup truck with bubba'd exhaust" opinions to myself, but the answer is easy enough.

Straight pipes all the way back @ stock diameter, or with really used up straight-thru glasspacks. Don't expect yours to sound exactly like that Silverado though.

Delete my account.
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post #5 of 47 (permalink) Old 02-07-2010, 02:51 PM
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His is also straight piped.
Ah, you just answered your question yourself!

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post #6 of 47 (permalink) Old 02-07-2010, 02:54 PM Thread Starter
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Mine is straight piped tho. No cats, no mufflers, just tips.
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post #7 of 47 (permalink) Old 02-07-2010, 02:56 PM
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Do remember, the firing orders are different and the path the pipes follow are also different, they won't sound the same.

How to make your ride sound just like his Silverado? Buy a Silverado just like his and put an identical exhaust system on it.

RwP
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post #8 of 47 (permalink) Old 02-07-2010, 03:07 PM
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Do remember, the firing orders are different and the path the pipes follow are also different, they won't sound the same.

How to make your ride sound just like his Silverado? Buy a Silverado just like his and put an identical exhaust system on it.
Usually we hear "how to sound like Mustang?" here. Now a Silverado? lol jk

Seriously, you're on the right track with what you already have. Maybe check his truck and compare how his exhaust and yours is different.

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post #9 of 47 (permalink) Old 02-07-2010, 03:35 PM
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Quote:
Originally Posted by RalphP View Post
Do remember, the firing orders are different and the path the pipes follow are also different, they won't sound the same.

How to make your ride sound just like his Silverado? Buy a Silverado just like his and put an identical exhaust system on it.

RwP
Firing pattern is the same.

True dual straight pipes (without a H or X pipe) from the manifolds back will generaly produce crackles and pops.

-Matt
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post #10 of 47 (permalink) Old 02-07-2010, 07:26 PM
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You car is running too good.

It has to run rich to get that crackle sound; that's fuel burning off in the manifold, generally.

My Firebird used to do that, when the carb was dumping enough fuel to kill the cats, lol.

Boy, how I miss those days... Not.



Sorry; I can't help much. Everything I've ever done has made these cars run better; seems like they were always lean when having a problem anyway.

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post #11 of 47 (permalink) Old 02-08-2010, 12:30 AM Thread Starter
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So it's final.. my car most likely will never sound like that?

Edit: http://www.youtube.com/watch?v=Hdb2neeUGwY

Last edited by Justin13; 02-08-2010 at 12:42 AM.
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post #12 of 47 (permalink) Old 02-08-2010, 01:18 AM
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Firing pattern is the same.

True dual straight pipes (without a H or X pipe) from the manifolds back will generaly produce crackles and pops.
x2.

I love the sound of those little hiccups, but it will never sound identical. Completely different setups.

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post #13 of 47 (permalink) Old 02-08-2010, 08:19 AM
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Check this thread, his exhaust, and tell us what you think of the sound:

http://forums.tccoa.com/showthread.php?t=121536
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post #14 of 47 (permalink) Old 02-08-2010, 09:13 AM
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terrible idea

All the ponies below are located at my ranch in INDIANA if anyone wants to go for a ride...haha
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post #15 of 47 (permalink) Old 02-08-2010, 09:53 AM Thread Starter
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Mine sounds somewhat like that. Just without the little "hiccups" "crackels" whatever you want to call them.
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post #16 of 47 (permalink) Old 02-08-2010, 10:00 AM
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Mine sounds somewhat like that. Just without the little "hiccups" "crackels" whatever you want to call them.
and it's caused by very small or large holes in the exhaust up by the motor...possible sealing issue and it's sucking in air and causes the noises.

All the ponies below are located at my ranch in INDIANA if anyone wants to go for a ride...haha
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post #17 of 47 (permalink) Old 02-08-2010, 10:51 PM Thread Starter
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So I should drill a bunch of holes in my exhaust just after the headers?





... Just playin, i'm not that stupid.
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post #18 of 47 (permalink) Old 02-08-2010, 11:24 PM
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Here is a great setup for 'crackle and pop'...

-2" duals (or even 1.75", ha)
-no crossover (X or H)
-no cats if you can get away with it
-blowmasters or nothing out back

lowered, koni sport adjustables, 4.30 tl in aluminum housing, mark 8 trans, j-mod, 93 mark viii ds, antenna hole=gone, kooks headers 1.75" primaries, 2.5" catless duals, midmount magnaflow, 96-97 sport wheels with 255/50/16 sumitomo HTR Zs, optima in the trunk, new motor...94 mark 6/6/08
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post #19 of 47 (permalink) Old 02-09-2010, 11:21 AM
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and it's caused by very small or large holes in the exhaust up by the motor...possible sealing issue and it's sucking in air and causes the noises.
that's what mine sounded like when i had a bad "donut" gasket.
http://www.youtube.com/watch?v=tep__cXgTRA

i got those 40S flowmasters from a 97T-bird, they still have the stock Tbird located brackets,
im thinking about taking them off my 5.0L maverick and onto the Tbird
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post #20 of 47 (permalink) Old 02-09-2010, 11:46 AM
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yeah I HATE that sound....I like a good sealed exhaust....with the exception of my turbo stang.....haha

All the ponies below are located at my ranch in INDIANA if anyone wants to go for a ride...haha
1989 XR7 SC 5-speed
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post #21 of 47 (permalink) Old 02-09-2010, 06:57 PM
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Originally Posted by 94 Thunderbird XX View Post
Usually we hear "how to sound like Mustang?" here. Now a Silverado? lol jk

Seriously, you're on the right track with what you already have. Maybe check his truck and compare how his exhaust and yours is different.
i did the make my tbird sound like a mustang mod myself....


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post #22 of 47 (permalink) Old 02-09-2010, 11:54 PM
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I guess you could go catless, straight into some Magnaflow "round mufflers" in the center, and some 3" tailpipes...

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post #23 of 47 (permalink) Old 02-11-2010, 06:05 PM
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what would a stock 96 4.6 Bird sound like if the mufflers out back are cut out and straight pipe put in their place? Any drone?

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post #24 of 47 (permalink) Old 02-11-2010, 06:48 PM
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been there done that and nobody seems to like it. sounds aggressive at wot and good at idle but is seems that 2000 rpm is the magic number below it no drone, above it no drone but right at 2K witch is right about 70 mph cruising speed in my 96 bird it was horrible drone like no other Save money and do it right, high flow cats x pipe and true duals. unless of course the 2K drone dosent bother you

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post #25 of 47 (permalink) Old 02-11-2010, 07:00 PM
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been there done that and nobody seems to like it. sounds aggressive at wot and good at idle but is seems that 2000 rpm is the magic number below it no drone, above it no drone but right at 2K witch is right about 70 mph cruising speed in my 96 bird it was horrible drone like no other Save money and do it right, high flow cats x pipe and true duals. unless of course the 2K drone dosent bother you
Weeeeeeeeeeeeeeell I have a 96 Impala that is going to get the full EXHAUST treatment. The Tbird is going to be my sons first car. Maybe just some cheap arse turbo muffler can fit there to make it sound a little better?

Tim

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post #26 of 47 (permalink) Old 02-11-2010, 08:28 PM
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Im not Knocking it its a quick and dirty way to get some loud mean sounding exhaust if you can get past the drone its great lol And being its a 16 year old kids first car he would probably like it and it would be loud enough to impress his friends

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post #27 of 47 (permalink) Old 02-11-2010, 09:30 PM
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Weeeeeeeeeeeeeeell I have a 96 Impala that is going to get the full EXHAUST treatment. The Tbird is going to be my sons first car. Maybe just some cheap arse turbo muffler can fit there to make it sound a little better?
dont get cheap mufflers they'll leak and go bad in no time. my mustang before i had it redone last week had flow(blow)master mufflers and i think they where delta 40's anyways things leaked like no other..if you want good sound get a set of high flow cats some nice shorty or lt headers and some straight through mufflers the cats and headers will keep it nice and smooth and it'll be nice and loud..and it wont cough when you let off the throttle either

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post #28 of 47 (permalink) Old 02-14-2010, 02:16 PM
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Here is a great setup for 'crackle and pop'...

-2" duals (or even 1.75", ha)
-no crossover (X or H)
-no cats if you can get away with it
-blowmasters or nothing out back
@OP,

If you're looking for a crackle-y noise, I think my car's got a similar sound to what you're looking for. The original owner's put up a video in the exhaust clip thread (see link here: http://www.streetfire.net/video/25-t...-cat_34252.htm). It sounds a lot deeper than that in person, but the camera's audio pick-up isn't that great (no offense). I'd take a video for you, but I don't have access to a camera right now. Maybe later in the week I can get one up.

My current setup, according to the previous owner, is:
SCP high-flow cats
2.5" true duals - no crossover
mid-mounted Dynomax Bullets
3.5" tips

One thing to be aware of is that the setup I've got now is obnoxiously loud. I don't mind it at all, but it makes things like talking on the phone in the car (or talking, period) a chore, and subtlety is totally out of the question. There's some droning right around the 2000 RPM mark, which would be a problem if you've got stock gearing and do a lot of highway cruise.

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post #29 of 47 (permalink) Old 02-15-2010, 12:24 AM
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alicks, sounds good and I'll bet it would sound more refined with an h-pipe.

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post #30 of 47 (permalink) Old 02-17-2010, 06:55 PM
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My exhaust "crackles".........

http://www.youtube.com/watch?v=CHIbXdX064c

1997 Laser Red Thunderbird LX V8, grey cloth, third cat replaced with X-pipe, SLP Loudmouth 1's, 2.25" duals, (loud as all hell)
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