Generation III External Engine LS1 | LS6 | Bolt-Ons | Intakes | Exhaust | Ignition | Accessories
Sponsored by:
Sponsored by:

Kill this rasp. Powerstick guys, step in.

Thread Tools
 
Search this Thread
 
Old Sep 14, 2009 | 06:41 PM
  #1  
MattxFatal's Avatar
Thread Starter
TECH Regular
iTrader: (4)
 
Joined: Sep 2008
Posts: 401
Likes: 1
From: Tampa Fl bitches.
Default Kill this rasp. Powerstick guys, step in.

My LT's and ORY are in, however it sounds like utter ****.
I knew it would be a bit raspy, but not this bad.
And with the cut-out open it's ten times worse than through the stock catback.
Here is what I'm thinking, after a lot of reading and sound clips I'm pretty set on turning my I-pipe(where the cut-out is mounted) into one long power stick.
I know I need to figure out what length to get first.
But wanted to know what the powerstick users out there thought.
I know it will not rid me of all the rasp, but it will probably make it so it doesn't sound like a bag of smashed ********.
Honestly, for the price of buying one and having it welded in, it's a hell of a lot cheaper than the other options out there.
And of course it sounds pretty good to my ears.

And of course the longer the better (that's what she said)for the muffler sound wise.

Thanks.
-Matt
Reply
Old Sep 14, 2009 | 07:28 PM
  #2  
hitmanws6's Avatar
TECH Veteran
iTrader: (20)
 
Joined: Dec 2008
Posts: 4,041
Likes: 5
From: Orange, CA
Default

why dont you get a pair of highflow cats. on a dyno they were shown to only lose 5hp at the crank, which is 1rwhp.
Reply
Old Sep 14, 2009 | 07:31 PM
  #3  
jetlag's Avatar
11 Second Club
iTrader: (32)
 
Joined: Jan 2006
Posts: 3,701
Likes: 2
From: Southaven, MS (near Memphis, TN)
Default

Installing a Flowmaster Merge collector on my car got rid of the rasp... I had a shitty Pacesetter Y-pipe.
Reply
Old Sep 14, 2009 | 08:37 PM
  #4  
99Bluz28's Avatar
TECH Senior Member
iTrader: (35)
 
Joined: Nov 2007
Posts: 9,705
Likes: 11
From: C. V., Kalifornia
Default

You can get a Magnaflow stainless steel Y 2.5" in/out 3", or a 3" in/out for $27
http://cache.autoanything.com/images...low_y_pipe.jpg
Reply
Old Sep 14, 2009 | 08:48 PM
  #5  
'00_Z's Avatar
TECH Fanatic
iTrader: (3)
 
Joined: Aug 2004
Posts: 1,458
Likes: 0
From: holding down the couch
Default

Went the powerstick route on my LM1 and while it didn't quite sound like a "bag of smashed ********" it didn't help much. I too suggest a Flowmaster merge, maybe with a powerstick if there's enough room. If you're still running the stock cat back though I suggest stepping up to a new one. I went with the Hooker and it sounds good.
Reply
Old Sep 14, 2009 | 09:39 PM
  #6  
RevGTO's Avatar
Pontiacerator
20 Year Member
Photogenic
Liked
Loved
iTrader: (12)
 
Joined: Nov 2003
Posts: 6,216
Likes: 236
From: Wichita KS / Rancho San Diego
Default

With my LT's and GMMG it took FM merge, cats, a powerstick (technically a power"pack"), and resonator tips to kill all the rasp. Some guys have success with one or two of those items, but I found that each one helped a little and the cumulative effect was enough to solve the problem. Moral of the story: a powerstick might help but don't be surprised if it alone doesn't fix it.
Reply
Old Sep 15, 2009 | 12:14 AM
  #7  
MattxFatal's Avatar
Thread Starter
TECH Regular
iTrader: (4)
 
Joined: Sep 2008
Posts: 401
Likes: 1
From: Tampa Fl bitches.
Default

Okay, reading more and more I see that the FM merge seems to be a good idea.
However can I have someone hack up my exsisting first gen TSP ORY and weld it together with the FM merge?
I just don't want to completely waste the ORY I have right now and have one put together from scratch.
I'd like to try and use some of what I already have.

Anyone here ever do that?
Reply
Old Sep 15, 2009 | 03:48 AM
  #8  
jetlag's Avatar
11 Second Club
iTrader: (32)
 
Joined: Jan 2006
Posts: 3,701
Likes: 2
From: Southaven, MS (near Memphis, TN)
Default

Originally Posted by MattxFatal
Okay, reading more and more I see that the FM merge seems to be a good idea.
However can I have someone hack up my exsisting first gen TSP ORY and weld it together with the FM merge?
I just don't want to completely waste the ORY I have right now and have one put together from scratch.
I'd like to try and use some of what I already have.

Anyone here ever do that?
If you have the tools and time, anything is possible..haha

Here is exactly what I did......


Originally, I ordered two 45 degree mandrel bent pieces hoping it would fit. It would not. Only one fits for the driver side. On the passenger side, I actually just reused part of the original Y, cut the other pipe off and patched it. After That I went to AutoZone and got a 18" piece of 3" pipe and cut it to length.

This is a camera phone pic, but you can see on the passenger side where I patched the hole. The whole passenger side of this exhaust is Pacesetter.

The driver side is the 45* and straight piece... You can see how I cut the front at an angle to make the straight piece fit.

Hopefully this helps a lot. I did all this piecing together without a lift..haha Not much fun on jackstands.



Now my only problem is clearance. That 4" Bullet is massive and I can't tuck it up any higher. Ground clearance is lacking.

Disclaimer: This is how I did it. If you are using an exhaust shop, obviously you wouldn't have to MacGyver the original pipe like I did.

Last edited by jetlag; Sep 15, 2009 at 03:56 AM.
Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

 Verdad Gallardo
story-1

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-2

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-3

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
story-4

Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

 Verdad Gallardo
story-5

Awesome K5 Blazer Restomod Comes With C7 Corvette Power

 Verdad Gallardo
story-6

10 Camaros You Should Never Buy

 
story-7

10 LS Engine Myths That Refuse to Die

 Verdad Gallardo
story-8

Five Reasons the Camaro Was the Most Pivotal Player in the Pony Car Wars 2.0

 Brett Foote
story-9

10 Reasons the LS7 Is GM's Most Extreme Naturally Aspirated V8 Engine Ever

 Verdad Gallardo
Old Sep 15, 2009 | 04:08 PM
  #9  
MattxFatal's Avatar
Thread Starter
TECH Regular
iTrader: (4)
 
Joined: Sep 2008
Posts: 401
Likes: 1
From: Tampa Fl bitches.
Default

Well it looks like it came out really nice.
I don't have the welder or know how to do it myself, so I will probably buy the merge and take it somewhere and have them piece it together.

However with my cutout under the backseat, I wonder if I will have enough room for a powerstick. Any idea how far back that merge extends?
Any advice would be a big help.
Like I said, I just want to try and use my TSP ORY even if its just for parts to be hacked up.
Just don't want to compeltely go another route.
-Matt
Reply
Old Sep 15, 2009 | 05:51 PM
  #10  
jetlag's Avatar
11 Second Club
iTrader: (32)
 
Joined: Jan 2006
Posts: 3,701
Likes: 2
From: Southaven, MS (near Memphis, TN)
Default

Originally Posted by MattxFatal
Well it looks like it came out really nice.
I don't have the welder or know how to do it myself, so I will probably buy the merge and take it somewhere and have them piece it together.

However with my cutout under the backseat, I wonder if I will have enough room for a powerstick. Any idea how far back that merge extends?
Any advice would be a big help.
Like I said, I just want to try and use my TSP ORY even if its just for parts to be hacked up.
Just don't want to compeltely go another route.
-Matt
It's farther back than my original setup, and I even shortened the FM merge a little bit..that joker is kind of long..

But an exhaust shop would be able to make it fit.
Reply
Old Sep 15, 2009 | 08:24 PM
  #11  
Atver300's Avatar
11 Second Club
iTrader: (8)
 
Joined: May 2007
Posts: 137
Likes: 0
From: Memfrica, TN
Default

Jetlag what muffler is that on your car and is it as quiet as the one you had before.
Reply
Old Sep 15, 2009 | 08:44 PM
  #12  
JScamaro's Avatar
TECH Fanatic
iTrader: (6)
 
Joined: May 2004
Posts: 1,381
Likes: 0
From: Katy, Texas
Default

Merge collectors and cats aren't going to do much for the rasp. You'll be better off spending your money on getting the bullet muffler in the I pipe. That will be more effective IMO.

I had a GMMG muffler put in my I pipe and it killed all the rasp.
Reply
Old Sep 15, 2009 | 08:46 PM
  #13  
MattxFatal's Avatar
Thread Starter
TECH Regular
iTrader: (4)
 
Joined: Sep 2008
Posts: 401
Likes: 1
From: Tampa Fl bitches.
Default

Originally Posted by JScamaro
Merge collectors and cats aren't going to do much for the rasp. You'll be better off spending your money on getting the bullet muffler in the I pipe. That will be more effective IMO.

I had a GMMG muffler put in my I pipe and it killed all the rasp.
The GMMG muffler is a power stick IIRC.
You said it got rid of it? What Y do you have?
Reply
Old Sep 15, 2009 | 08:48 PM
  #14  
jetlag's Avatar
11 Second Club
iTrader: (32)
 
Joined: Jan 2006
Posts: 3,701
Likes: 2
From: Southaven, MS (near Memphis, TN)
Default

Originally Posted by Atver300
Jetlag what muffler is that on your car and is it as quiet as the one you had before.
4" DynoMax Bullet. The car is still about the same loudness, but the rasp is gone and it sounds deeper. A few people have noticed the difference and gave compliments.


Originally Posted by JScamaro
Merge collectors and cats aren't going to do much for the rasp. You'll be better off spending your money on getting the bullet muffler in the I pipe. That will be more effective IMO.
Then why is 99% of the rasp gone from my car? hah Have you ever seen inside of a Pacesetter Y-pipe? The "merge" they have is absolutely horrible.
Reply
Old Sep 16, 2009 | 02:10 PM
  #15  
MattxFatal's Avatar
Thread Starter
TECH Regular
iTrader: (4)
 
Joined: Sep 2008
Posts: 401
Likes: 1
From: Tampa Fl bitches.
Default

The first gen TSP ORY has a horrible merge as well.
When I looked at it I knew it was going to cause me some headaches.
Something about exhaust gases exiting the car in such a violent matter due to the merge didn't sit right with me.
Reply




All times are GMT -5. The time now is 08:22 AM.

story-0
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-1
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-2
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-3
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-4
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-5
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-6
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-7
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE
story-8
Five Reasons the Camaro Was the Most Pivotal Player in the Pony Car Wars 2.0

The world was a better place when it was still around.

By Brett Foote | 2026-01-23 09:20:37


VIEW MORE
story-9
10 Reasons the LS7 Is GM's Most Extreme Naturally Aspirated V8 Engine Ever

Slideshow: The 7.0-liter LS7 was designed for absolute cutting-edge performance.

By Verdad Gallardo | 2026-01-07 18:36:00


VIEW MORE