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

Flowmaster merge users

Thread Tools
 
Search this Thread
 
Old Jun 12, 2006 | 07:17 PM
  #1  
BrianC98Z28's Avatar
Thread Starter
10 Second Club
20 Year Member
iTrader: (11)
 
Joined: Aug 2005
Posts: 954
Likes: 0
From: Texarkana,TX
Default Flowmaster merge users

I just got my flowmaster merge and new I pipe in. I got the 3in inlet and 3.5 in outlet merge. The I pipe is 3in. Here come my questions. I prefer to keep the merge the same length and not cut on the outet to shorten it up because when you see this thing its pretty long in person. I can cut the I pipe to length to mate up to the rest of the hooker catback. My question is did those of you that used this cut the merge to shorten it down any? Also can I expend the 3in pipe enough to get a good fit and weld it without it spliting? Any of you with pictures of this merge used will be appreciated. Also this is going on my pacesetter y pipe just for clarification.

Brian
Reply
Old Jun 12, 2006 | 10:51 PM
  #2  
TheBlurLS1's Avatar
That's what she said...
iTrader: (8)
 
Joined: Mar 2004
Posts: 7,954
Likes: 2
From: Nederland Texas
Default

You can buy 3.5" to 3" reducers if you'd like. Getting 3" to 3.5" would be quite.....a.....stretch.....

Bwahahahaha. Geez I'm funny....
Reply
Old Jun 12, 2006 | 11:19 PM
  #3  
Full-Force's Avatar
TECH Junkie
20 Year Member
Photogenic
Photoriffic
Shutterbug
iTrader: (11)
 
Joined: Aug 2004
Posts: 3,070
Likes: 5
From: Upstate of SC
Default

Im using the dual 3" in and single 4" out and I didnt cut the outlet. I ran 4" pipe back into a 4" in/out bullet with a turndown.

I would seriopusly consider putting a cutout before you take it down to 3". Like was already mentioned, you can get 3"-3.5" reducers.

Basicly if I had a cat back I would buy a 4' section of 3.5" pipe from Summit for 12 bucks and then put a 3.5" cutout where the rear seat is and put the reducer on the end of the cutout to hook up to your 3" over axle pipe.
Reply
Old Jun 13, 2006 | 02:20 AM
  #4  
BrianC98Z28's Avatar
Thread Starter
10 Second Club
20 Year Member
iTrader: (11)
 
Joined: Aug 2005
Posts: 954
Likes: 0
From: Texarkana,TX
Default

i didnt mean expand it to where its a really friggin tight fit, but just snug enough to get a good weld on it to take up any of the remaining gap
Reply
Old Jun 13, 2006 | 08:24 AM
  #5  
BrianC98Z28's Avatar
Thread Starter
10 Second Club
20 Year Member
iTrader: (11)
 
Joined: Aug 2005
Posts: 954
Likes: 0
From: Texarkana,TX
Default

also theres a long and a short inlet, does it matter which side they go on?
Reply
Old Jun 14, 2006 | 09:02 PM
  #6  
Full-Force's Avatar
TECH Junkie
20 Year Member
Photogenic
Photoriffic
Shutterbug
iTrader: (11)
 
Joined: Aug 2004
Posts: 3,070
Likes: 5
From: Upstate of SC
Default

long and short inlet do not matter but the short side would be best to use on the driver side because you have to make a hard bend on that side
Reply




All times are GMT -5. The time now is 01:49 PM.

story-0
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-1
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-2
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-3
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-4
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-5
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-6
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-7
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-8
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-9
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