OBX Header and Downpipe or custom downpipe - EvolutionM - Mitsubishi Lancer and Lancer Evolution Community



OBX Header and Downpipe or custom downpipe

Reply
 
 
 
Thread Tools Search this Thread
Old Oct 27, 2016, 05:52 PM   #1
Newbie
Thread Starter
 
06RAJK's Avatar
 
Join Date: Sep 2016
Location: Oregon
Posts: 9
Thanked 0 Times in 0 Posts

Drives: 2006 Lancer Ralliart

OBX Header and Downpipe or custom downpipe

Hello all. Can anyone advise me if the Obx header and downpipe are worth it? I have read on here that the stock header flows pretty well but I know the downpipe is all crushed and restrictive. Should I just have a local exhaust shop make a custom downpipe with a highflow cat? Or will Obx header make more power than that? I am planning on getting a catback exhaust as well. Thanks!!
Offline
 
Reply With Quote
Old Oct 27, 2016, 07:09 PM   #2
Evolved Member
 
4b11slayer's Avatar
 
Join Date: Nov 2015
Location: Santa Ana
Posts: 1,732
Thanked 80 Times in 80 Posts

Drives: 2004 rs ct9a

I think you should invest your money in other areas. Like intercooler and pipes.
Offline
 
Reply With Quote
Old Oct 28, 2016, 02:08 PM   #3
Evolved Member
iTrader: (21)
 
Raikiri's Avatar
 
Join Date: Oct 2008
Location: Chicago, IL
Posts: 2,661
Thanks: 0
Thanked 7 Times in 7 Posts

Drives: 05 Pearl White Ralliart AT (sold), 14 WW Ralliart

Quote:
Originally Posted by 4b11slayer View Post
I think you should invest your money in other areas. Like intercooler and pipes.
You do know he's not turbo'd right?
Offline
 
Reply With Quote
Old Oct 28, 2016, 04:04 PM   #4
Evolved Member
 
4b11slayer's Avatar
 
Join Date: Nov 2015
Location: Santa Ana
Posts: 1,732
Thanked 80 Times in 80 Posts

Drives: 2004 rs ct9a

Quote:
Originally Posted by Raikiri View Post
You do know he's not turbo'd right?
I thought raliarts came boosted?

Im mistaken sorry.
Offline
 
Reply With Quote
Old Oct 28, 2016, 06:04 PM   #5
Evolved Member
iTrader: (21)
 
Raikiri's Avatar
 
Join Date: Oct 2008
Location: Chicago, IL
Posts: 2,661
Thanks: 0
Thanked 7 Times in 7 Posts

Drives: 05 Pearl White Ralliart AT (sold), 14 WW Ralliart

Only the 9G generation is boosted. 04-06 ralliarts are NA 2.4L 4G69 engines.
Offline
 
Reply With Quote
Old Oct 28, 2016, 10:00 PM   #6
Newbie
Thread Starter
 
06RAJK's Avatar
 
Join Date: Sep 2016
Location: Oregon
Posts: 9
Thanked 0 Times in 0 Posts

Drives: 2006 Lancer Ralliart

Turbo would be nice but unfortunately out of my price range right now.
Offline
 
Reply With Quote
Old Oct 29, 2016, 10:58 AM   #7
Evolved Member
iTrader: (5)
 
CrAnSwIcK's Avatar
 
Join Date: Sep 2010
Location: Ontario, Canada
Posts: 7,376
Thanks: 0
Thanked 72 Times in 71 Posts

Drives: 2006 Lancer Ralliart, 2008 Mazda 5 GT

You know the power gains are so minimal that if you can tell the difference after, it's all in your head...the engine was engineered to produce a certain amount of power and move a certain amount of air at certain RPM...there are things you can do to make small improvements, but simply increasing exhaust system capacity will not be very beneficial, in fact it will reduce low-end torque, which is what this engine was designed to have, and is they best thing it has to offer...horsepower is gained at the top end, but is minimal due to the rev limit, and long stroke of the 4G69...as you know, horsepower is a function of torque over time, and increases only with RPM. The most effective way to gain power without increasing compression, displacement, or valve lift and duration, is ECU tuning...and even then you're lucky to get 10% increase in power reliably.
Offline
 
Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Exhaust Sounds Like Total Garbage - Fix? Cameron Barlow Lancer Engine Tech 0 Nov 12, 2016 12:21 PM
There's no solution to exhaust rasp after obx headers! Ralli_Red 04-06 Ralliart Engine/Drivetrain 13 Aug 25, 2016 05:43 PM
Header and downpipes UnholyMaggot 04-06 Ralliart Engine/Drivetrain 6 Jun 21, 2016 05:05 PM
2015 Lancer GT bolt-ons Teamlift Lancer Engine Tech 0 Jun 17, 2016 02:53 PM
Outlander Sport Mods TEXAS TRAVISTY Outlander Sport 481 Mar 18, 2016 05:21 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

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



All times are GMT -7. The time now is 02:21 PM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: