LS4 Performance Grand Prix GXP | Monte Carlo SS | Impala SS | LaCrosse Super

Need new Mufflers

Thread Tools
 
Search this Thread
 
Old Apr 15, 2015 | 02:06 PM
  #1  
Bryan921SS's Avatar
Thread Starter
TECH Enthusiast
 
Joined: Jun 2008
Posts: 621
Likes: 1
From: Zeeland, MI
Default Need new Mufflers

So I noticed my car was getting louder and louder lately...took it to the shop and they confirmed there is a hole in the top of the driver side muffler.

They checked what a new muffler would be from GM....$1400 bucks.

I guess they make them out of titanium now.

Are the Magnaflow's still popular?
Reply
Old Apr 15, 2015 | 03:42 PM
  #2  
spawne32's Avatar
TECH Fanatic
iTrader: (2)
 
Joined: Jan 2014
Posts: 1,524
Likes: 4
Default

I believe you can still use the ZZP mufflers on the GXP, same exhaust setup.

http://shop.zzperformance.com/store/...-mufflers.aspx

I know walker also sells an OEM replacement for the GTP's that works with dual exhaust, they have them in both single and double tip ends.
Reply
Old Apr 16, 2015 | 08:11 AM
  #3  
blkchevyz's Avatar
TECH Fanatic
20 Year Member
 
Joined: Oct 2003
Posts: 1,101
Likes: 0
Default

just find a sound you like and go with that. i think you just need an offset in and center out muffler. a muffler shop should be able to get it cut in without much of a problem.
Reply
Old Apr 16, 2015 | 05:07 PM
  #4  
superglide9375's Avatar
TECH Enthusiast
 
Joined: Oct 2013
Posts: 611
Likes: 0
From: hagerstown,md
Default Mufflers

I got 2 I took off of my 08 gxp 100 plus shipping if you are interested or I'm in md if u are close

Last edited by superglide9375; Apr 16, 2015 at 05:08 PM. Reason: Spellong
Reply




All times are GMT -5. The time now is 02:28 AM.

story-0
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

Slideshow: We take a close look at the ONE and Artidiag 800BT2 diagnostic tools from Topdon and the reasons to buy one over the other.

By Pouria Savadkouei | 2026-05-28 11:05:11


VIEW MORE
story-1
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

Slideshow: The controversial Ferrari F6 swaps its original flat-12 for a Corvette Z06-derived LT4 V8 and sends power to four rear wheels through a custom-built drivetrain.

By Verdad Gallardo | 2026-05-26 18:23:54


VIEW MORE
story-2
7 Most Reliable High-Performance Engines GM Has Ever Built

Slideshow:These GM engines didn't just make huge power, they survived abuse, boost, track days, and six-digit mileage with a reputation for refusing to quit.

By Verdad Gallardo | 2026-05-21 16:45:27


VIEW MORE
story-3
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-4
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-5
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-6
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-7
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-8
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-9
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