Cat back Question - Jeep Wrangler Forum

Go Back   Jeep Wrangler Forum > JK Jeep Wrangler Forum > JK Tech Forum

Join Wrangler Forum Today

Thread Tools

Please support our sponsors and let them know you heard about them on
Old 05-11-2011, 10:33 PM   #1
jcilino's Avatar
Join Date: Feb 2009
Location: Brick NJ
Posts: 34
Cat back Question

Anyone have experience with both the gibson dual cat back and the MBRP cat back.
I tried the gibson for 1 day and had to remove it due to the horrible drone that travels right through you at cruising speed on highway. as jeep is used as the daily driver 1 hour commute each way, pounding head, but did like the performance. Thinking of trying the MBRP anyone driven at cruise speeds with both to compare. Thanks.

jcilino is offline   Quote
Old 05-12-2011, 12:22 AM   #2
jrohan07's Avatar
Join Date: Dec 2010
Location: Alabama
Posts: 567
I have the gibson dual and at first I could not stand the drone at cruise speed.
I took it off and put it back on seating it really tight where it pairs with the engine pipe.
I then put dynomat under the carpet in the trunk and after about 500 miles later drone is gone and sounds really good.
Stay with it for a while and see if gets better

jrohan07 is offline   Quote
Old 05-12-2011, 03:26 AM   #3

WF Supporting Member
Join Date: Feb 2011
Posts: 530
I bought the Borla dual stainless cat-back system. From the day it was installed until about 500 miles later, it didn't sound any different, but after that time the sound changed for the better - however, I never had a problem with it like you're describing.
If you only have a Jeep, every problem appears as a rock. I like rocks.
trennmaschine is offline   Quote
Old 05-12-2011, 05:38 AM   #4
rics1997's Avatar
Join Date: Oct 2010
Location: Bristol, Tn
Posts: 4,764
You better keep it if you got performance out of it. You would be the first. Most new exhausts make it sound better and even make it sound like it is running better but none so far has actually produced anything notable from a new exhaust system. If you did you better never take it off
2010 Dark Charcoal Pearl Jeep Wrangler Sport S Automatic
4.88 Yukon w/Trac-Lok rear and Eaton ELocker Front - Synergy Gussets - B&M 70264 Trans Cooler
BDS 3" lift - BDS Fox 2.0 Racing Shocks
XHD front Bumper - Trektop NX - Goodyear MT/R w/Kevlar 35X12.5X15 on MB Chaos 5 Wheels - Thrush Turbo Muffler

Become a WranglerForum Supporting Member!
rics1997 is offline   Quote
Old 05-12-2011, 06:10 AM   #5
Thracks's Avatar
Join Date: Dec 2010
Location: Pismo Beach
Posts: 509
Under drivers seat cut-off exhaust is best exhaust.
Attached Thumbnails
Click image for larger version

Name:	exhaust5.jpg
Views:	77
Size:	203.7 KB
ID:	49126  
lol land rover
Thracks is offline   Quote
Old 05-12-2011, 09:18 AM   #6
JIMBOX's Avatar
Join Date: Nov 2009
Posts: 9,914
Unless you have suicidal tendencies-never put your exhaust UNDER the cab--allways out back or side-

I've had pleasing sound/rap/burble, from my cat-back Flowmaster 40, mounting just forward of the EVAP can and exit-rear bumper--NO DRONE and a little on the loud side-nearing v8, but notquite there !!


"ya gotta have class"
JIMBOX is offline   Quote
Old 05-13-2011, 10:56 PM   #7
Join Date: Feb 2011
Posts: 13
I have been considering the borla. Do you like them or would you have rather gone with a different brand? Back to the original question though...I saw a post on here not too long ago from a guy saying that the flowmaster 40s sounded really good on his. Nice deep sound and not to loud. Thats what he said at least. No experience myself.
Emdy is offline   Quote
Old 05-13-2011, 11:49 PM   #8
MTH's Avatar
Join Date: Oct 2010
Location: North Carolina
Posts: 8,553
Originally Posted by Thracks
Under drivers seat cut-off exhaust is best exhaust.
Isn't that sort of, uhh, deadly? Like in an I get sleepy carbon monoxide sort of way?
2010 JKU "Mountain" Edition
TeraFlex 2.5" Coil Lift : Old Man Emu Nitrocharger Shocks : 33x12.5R15 Goodyear DuraTracs : 15x8 Black Rock 909s : Other Stuff . . .
MTH is offline   Quote
Old 05-13-2011, 11:57 PM   #9
UConn Husky

WF Supporting Member
Grog's Avatar
Join Date: Nov 2010
Location: San Antonio, TX
Posts: 544
I putting a MBRP rockcrawler catback system on my rig in a couple of weeks. Hoping to get a little more performance out of it. I am pairing it up with my snorkel for cold air induction, and my superchips flashpaq to tune the engine.

One of the reasons I choose the MBRP system is that the exhaust comes out the rear, not under the rig

All part of my build plan. Hope it works out

Grog is offline   Quote

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Glad to be back in the Family 07 Wranglerhound WF New Member Check In 7 04-20-2011 10:22 PM
question about back up lights? VisionJinx TJ General Discussion Forum 2 02-24-2010 10:12 AM
hard top wiring question bandj524 YJ Tech Forum 0 01-24-2010 01:51 PM
modest upgrades and a turbo question? AKWrangler TJ Tech Forum 6 11-17-2009 12:30 AM
Trans Mount Question MOz TJ Tech Forum 8 06-10-2008 04:14 PM

Download our Mobile App

» Featured Product

All times are GMT -5. The time now is 09:39 PM.

User Alert System provided by Advanced User Tagging v3.1.0 (Pro) - vBulletin Mods & Addons Copyright © 2015 DragonByte Technologies Ltd.

Jeep®, Wrangler, Liberty, Wagoneer, Cherokee, and Grand Cherokee are copyrighted and trademarked to Chrysler Motors LLC. is not in any way associated with the Chrysler Motors LLC