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My Hybrid Hooker/Bullet Race Muffler System

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Old Oct 23, 2002 | 10:01 PM
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From: Medford, Oregon
Car: 1989 Iroc Z L98
My Hybrid Hooker/Bullet Race Muffler System

After being frustrated with trying to get my hooker to line up with my aftermarket Y pipe and aftermarket modified cat delete, I decided upon a new path. I bought a Dynomax Bullet Race muffler from Summitracing, and had an exhaust shop take my Hooker I pipe and modify it. Basically, it runs back to where it normally would have started to turn up to go over the axel, and just dumps. So it goes hedman ceramic coated headers to Y pipe and 3" cutout with 3" pipe back to a 3" dynomax bullet muffler, dumping before the rear axel. I must say it exceded my expectations for single exhaust. It is a new motor so i have not completely romped on it yet, but at idle it has a really deep smooth sound. At about 3500 rpm it starts to scream and when you let off it doesnt backfire, but instead crackles. normal i dont like crackling when you let off but this is a different more mean sounding. here are pics of the muffler, i will have pics of the system up when daylight allows.





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Old Oct 23, 2002 | 10:05 PM
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Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
I'd say nice muffler, but that don't look like a muffler on the inside.
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Old Oct 23, 2002 | 10:09 PM
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From: Medford, Oregon
Car: 1989 Iroc Z L98
Originally posted by Mark A Shields
I'd say nice muffler, but that don't look like a muffler on the inside.
i brought my 3" pipe and 3" bullet muffler to the exhaust guy and he looks at me, then the exhaust and was like "you realize this is gonna be er... really loud right??? lol
i was like no....
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Old Oct 24, 2002 | 07:56 PM
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From: Richmond Va, USA
I got the Bullet on my car too, I must say, she sounds like a beast for a 305!!!
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Old Oct 25, 2002 | 01:27 AM
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From: Medford, Oregon
Car: 1989 Iroc Z L98
Here is a pic, havent welded up the exhaust hangers yet.


I am really loving it. I never tried standing behind the car before, it has a really deep tone from behind. My friends all love it, I just cant wait until i can run dual bullet mufflers
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Old Oct 25, 2002 | 03:31 PM
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From: Caldwell,ID
Car: 2005 BMW 545i
Engine: 4.4L N62B44
Transmission: 6spd auto
Axle/Gears: Rotating
Originally posted by Mark A Shields
I'd say nice muffler, but that don't look like a muffler on the inside.

I'm getting a set of straight through mufflers like that soon


no chambers or anything

best at reducing back pressure.... and flow just as well as a st ragiht pipe for the most part



only problem ..... LOUD


and my stock mufflers already get the attention of most anyone.... and I'm getting two of those bastards


how much did those cost and do that have stainless packing or fiberglass

can't run fiberglass on my car
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Old Oct 25, 2002 | 04:52 PM
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From: Monticello, IN USA
Car: 1991 Z-28
Engine: 350
Transmission: T-5 (gonna buy the farm)
I took both 2.5" pipes, ran them into their own 2.5" Bullet mufflers, and then Y-ed that into a single 3.5" pipe that dumps about a foot passed the trans. I love the way they sound. I was quite surprised. I thought it would sound more like a glasspack.
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Old Oct 25, 2002 | 10:14 PM
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Where's the Hooker?
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Old Oct 26, 2002 | 01:57 PM
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From: Medford, Oregon
Car: 1989 Iroc Z L98
Originally posted by johnsjj2
I took both 2.5" pipes, ran them into their own 2.5" Bullet mufflers, and then Y-ed that into a single 3.5" pipe that dumps about a foot passed the trans. I love the way they sound. I was quite surprised. I thought it would sound more like a glasspack.
yeah i was worried it would sound like a glass pack too, so glad it didnt
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Old Oct 27, 2002 | 12:06 AM
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From: La Porte, IN
Car: 1987 Monte Carlo SS
Engine: L98
Transmission: 200-4R
Axle/Gears: 7.625 10 bolt/3.73s
I just helped my buddy fab this setup for his hooker LTs. Screams at WOT.
Attached Thumbnails My Hybrid Hooker/Bullet Race Muffler System-exhaust1.jpg  
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Old Oct 27, 2002 | 01:16 AM
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From: Medford, Oregon
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damn thats ****ing awesome, i bet that does scream. i wanna go to that setup soon, how is ground clearance on it?
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Old Oct 27, 2002 | 01:56 PM
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From: La Porte, IN
Car: 1987 Monte Carlo SS
Engine: L98
Transmission: 200-4R
Axle/Gears: 7.625 10 bolt/3.73s
Once the hangers are on, it will end up being about 1/2in or so below the bottom of the collectors at the lowest point, so it may be an issue.
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Old Oct 27, 2002 | 07:37 PM
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From: Maryland; USA
looks great!!
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Old Oct 29, 2002 | 04:50 PM
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From: Monticello, IN USA
Car: 1991 Z-28
Engine: 350
Transmission: T-5 (gonna buy the farm)
I tried to get a sound file, but it is wayyyyyyyy to distorted. All I had was a digital camera, and it sucked, so until I get to use it again, I will have to wait to post it.
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Old Oct 29, 2002 | 07:18 PM
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From: Waterloo, Iowa
Car: 86 firebird with 98 firebird interi
Engine: pump gas 427sbc Dart Lil M 13.5:1
Transmission: Oldani TH400 w/ BTE 9" convertor
Axle/Gears: 31 spline Moser/full spool/4.11Rich
I've been debating on the single chamber flows or the bullets, a guy at the track has the bullets and damn is that thing loud, I think I'd be nervous driving in town, but then again the bandit sees more strip than street so WTF right. And even if I did get pulled over, the car ought to explain itself with it's new interior exterior so locals should be pretty cool about it-have yet to meet a cop that is'nt or was'nt a gear head at some point-but I do alot of work on cops homes too, so that might explain that.
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