Does Size Matter? - DODGE RAM FORUM - Ram Forums & Owners Club! - Ram Truck Forum
DODGE RAM FORUM - Ram Forums & Owners Club! - Ram Truck Forum

Go Back   DODGE RAM FORUM - Ram Forums & Owners Club! - Ram Truck Forum > Dodge Ram Forum - Mod Zone - Custom Dodge Ram Mods - Dodge Ram Performance > Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 > Exhaust


Exhaust 5.7 HEMI Exhaust Discussion

Vendor Highlight! - Check these guys out for great deals on Parts and Accessories!
Thread Tools
Old 07-30-2011, 12:24 PM
KCDC121 KCDC121 is offline
Dodge Ram Forum Newcomer
Join Date: Jun 2011
Location: Lubbock
Age: 59
Posts: 7
Gender: Male
Vehicle: 2010 Dodge Ram 1500
Trim Level: SLT
Color: white
Engine: 2009-???? 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 0
KCDC121 is on a distinguished road
Default Does Size Matter?

There have been some great posts concerning aftermarket exhaust systems and Magnaflow is the one I am considering. I have a single exhaust Hemi so it seems I will need a single in- dual out muffler but I have a question. Does the outlet size effect performance? Does a 2" perform differently than the 2.5 or 3" outlet? Is torque due to back pressure effected? I realize I am being a bit anal but I want to get it right.
Reply With Quote
Sponsored Links
Old 07-30-2011, 01:18 PM
Stangshcky12 Stangshcky12 is offline
Dodge Ram Forum Senior Member
Join Date: Feb 2011
Location: Pittsburgh
Age: 27
Posts: 2,118
Gender: Male
Vehicle: 2005 Dodge Ram 2500
Color: Mineral Gray
Rep Power: 0
Stangshcky12 has a spectacular aura aboutStangshcky12 has a spectacular aura about

An average cat an muffler create 1-2 psi of back pressure. The smaller diameter will create more back pressure. Your motor needs a little bit of back pressure, what you'd get with a 3" in 3" out will be plenty
Reply With Quote
Sponsored Links


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

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Intake size 2010 & 2011 Pull Ya Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 1 06-11-2011 12:49 AM
Moto Metal Tire and Wheel Size? quadboy47 Dodge Ram Wheels And Tires 2 05-30-2011 01:18 PM
Speaker size confusion!?!? Infinity speaker questions! Ruffian11 Custom Dodge Ram Interior Modifications - Custom Audio / Video 2 05-04-2011 11:13 PM
CAT/Y-Pipe inlet size GPSHSLAX Exhaust 5 09-06-2010 01:08 PM
Tire Size 01RAMguy Custom Chassis - Drive Line - Suspension - Wheels and Tires - LIFTING - Dodge Ram 4x4, 2x4 4 04-21-2010 11:37 PM


All times are GMT -4. The time now is 01:46 AM.

Copyright © VerticalScope Inc. All rights reserved.
Powered by vBulletin® Version 3.8.10
Copyright ©2000 - 2017, vBulletin Solutions, Inc.