Those who have res/cat delete mods, whats the fuel mpg increase?
Thread Starter
Senior Member
Joined: Dec 2004
Posts: 494
Likes: 0
From: MN
07 Z06, 08 Rover Sport, 03 Dmax, 13 Diavel
Those who have res/cat delete mods, whats the fuel mpg increase?
assume now that your exhaust is more freer flowing, under normal driving conditions and keeping your foot off the pedal, you should be seeing some sort of gas mileage increase. anyone have comments on this?
i get about 19mpg on daily driving, 23mpg on freeway, so not bad at all.
my plan is to remove the resonator and secondary cats and add straight pipe. NO x-pipe mod.
any thoughts, discussion?
thanks!
Aj
i get about 19mpg on daily driving, 23mpg on freeway, so not bad at all.
my plan is to remove the resonator and secondary cats and add straight pipe. NO x-pipe mod.
any thoughts, discussion?
thanks!
Aj
Super Member
Joined: Feb 2010
Posts: 831
Likes: 0
From: Glendale, AZ
07 E63. 07 STi limited #606/800
I did the same thing as you are going to do.
Removed secondary and resonator, places straight 3" pipe on both sides, no x or crossing or touching.
It may or may not gain you mpg, but in my own study after doing it, i notice i get less gas mileage just because i want to floor it more often to hear that nuke go off!
Removed secondary and resonator, places straight 3" pipe on both sides, no x or crossing or touching.
It may or may not gain you mpg, but in my own study after doing it, i notice i get less gas mileage just because i want to floor it more often to hear that nuke go off!
Super Member
Joined: Apr 2011
Posts: 742
Likes: 1
2009 E63
I did the same thing as you are going to do.
Removed secondary and resonator, places straight 3" pipe on both sides, no x or crossing or touching.
It may or may not gain you mpg, but in my own study after doing it, i notice i get less gas mileage just because i want to floor it more often to hear that nuke go off!
Removed secondary and resonator, places straight 3" pipe on both sides, no x or crossing or touching.
It may or may not gain you mpg, but in my own study after doing it, i notice i get less gas mileage just because i want to floor it more often to hear that nuke go off!
LMAO!!!!
Trending Topics
MB World Stories
The Best of Mercedes & AMG
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun
Verdad Gallardo
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Verdad Gallardo
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine
Verdad Gallardo
Flawlessly Restored Mercedes 190E Evo II Heads to Auction
Verdad Gallardo
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know
Verdad Gallardo
Mercedes EQS Gets A Major Update: Everything You Need to Know
Verdad Gallardo
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve
Verdad Gallardo
Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping
Verdad Gallardo
10 Most Reliable Mercedes-Benz Models You Can Buy Used
Verdad Gallardo
MBWorld Fanatic!
Joined: Nov 2009
Posts: 1,006
Likes: 0
e55
MBWorld Fanatic!
Joined: Sep 2009
Posts: 1,452
Likes: 21
From: Houston, TX
GLC63s, W222 S63, W223 S580
Thread Starter
Senior Member
Joined: Dec 2004
Posts: 494
Likes: 0
From: MN
07 Z06, 08 Rover Sport, 03 Dmax, 13 Diavel
are you guys getting poor mileage bc you're on the gas too much? or is it b/c the "freer flowing" exhaust is somehow causing poor mileage?
take a tank or two just easy driving, you'd be surprised how well these cars run on one tank?
take a tank or two just easy driving, you'd be surprised how well these cars run on one tank?
PLATINUM SPONSOR
Joined: Jun 2008
Posts: 3,834
Likes: 65
From: Texas
2003 CL55
Air up your tires, take weight off and lower the car, if you want better MPG . Mods never seem to increase MPG, just and FYI.
__________________
E63 Biturbo, UPD Cold Air induction kit, UPD performance crank pulley and UPD adjustable rear suspension with ride height adjustment.
CL55 UPD Cold Air Boost kit, UPD 3000 stall converter, UPD 77mm SC clutched pulley and beltwrap kit, Custom long tubes, UPD crank pulley , UPD suspension kit, UPD SC pulley, Aux. HE, Trunk tank w/rule 2000 pump, Mezeire pump, UPD 5pc idler set, Aluminum rotor hats.
www.ultimatepd.com
instagram @ultimate_pd
facebook.com/ultimatepd
E63 Biturbo, UPD Cold Air induction kit, UPD performance crank pulley and UPD adjustable rear suspension with ride height adjustment.
CL55 UPD Cold Air Boost kit, UPD 3000 stall converter, UPD 77mm SC clutched pulley and beltwrap kit, Custom long tubes, UPD crank pulley , UPD suspension kit, UPD SC pulley, Aux. HE, Trunk tank w/rule 2000 pump, Mezeire pump, UPD 5pc idler set, Aluminum rotor hats.
www.ultimatepd.com
instagram @ultimate_pd
facebook.com/ultimatepd
