Akropovic Exhaust System

FuriaRC · 03-24-2012, 12:56 PM

Anyone see a decrease in miles per gallon after install? If yes, how much?

Anyone have any problems with the Service Engine Soon light coming on?

studntloan · 03-24-2012, 01:20 PM

no and no

SchnellM3 · 03-24-2012, 02:03 PM

^ You'd have to put on the Delete R to keep the cel from coming on if your using the full system.....

The only decrease in MPG your going to get is because your throttle foot is going to get heavier so that you can listen to the beast with its new lungs...

spdy330 · 03-24-2012, 02:11 PM

You beat me to it

Quote:

Originally Posted by SchnellM3

The only decrease in MPG your going to get is because your throttle foot is going to get heavier so that you can listen to the beast with its new lungs...

Bubbles · 03-26-2012, 07:37 PM

Mpg went up for me on the hwy

L4ces · 03-26-2012, 07:52 PM

Beat me to it too.
When I had my xpipe with the oem muffler, my mileage went up quite a bit. It seldom read below 18.2. Once I removed the xpipe and added the AA rear, mileage dropped to 16.4.

The difference was my foot. For the former, the rasp and fart kicked in at 2000 rpms, so I was switching gears at 2000+. Once I went to the AA, I started switching gears at 3500 to 4000 because I liked the music.

Sean05 · 03-26-2012, 08:08 PM

At first i thought my MPG went up then realized my foot was light due to the noise increased... LOL

SO to answer no

OwenyOlgao · 03-26-2012, 09:40 PM

i thought my MPG went up then realized my foot was light due to the noise increased

Bubbles · 03-27-2012, 06:16 AM

On the highway my mpg went up. I verified this with my own calculations. Using similar avg speed (cruise control). However I love the sound so city driving suffers.

Interestingly, track mileage went up

to 9mpg from 8mpg.

Rshane · 03-27-2012, 10:48 AM

Meh, it could have gone up, but I don't really care what my mileage is so I never tracked it.

03-24-2012, 12:56 PM	#1
FuriaRC Registered Drives: nasty Join Date: Mar 2012 Location: kirkland Posts: 1 iTrader: (0)	Akropovic Exhaust System Anyone see a decrease in miles per gallon after install? If yes, how much? Anyone have any problems with the Service Engine Soon light coming on?
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03-24-2012, 01:20 PM	#2
studntloan (studntloan) Drives: 4 doors 4 more whores Join Date: Jan 2010 Location: Ny Posts: 2,819 iTrader: (6) Garage List 2011.75 E90 BMW M3 [0.00] 2011 bmw/ m3 [0.00]	no and no __________________ AUTOcouture Motoring \| Facebook \| YouTube \| Alex@AUTOcouturemotoring.com \| 201.666.3500

03-24-2012, 02:03 PM	#3
SchnellM3 Digger Drives: 03 E46 M3, 09 E92 M3, 09 X6 50 Join Date: Jun 2009 Location: Pa Posts: 2,607 iTrader: (4) Garage List 2003 BMW E46 M3 Tra ... [4.00] 2009 BMW E92 M3 [4.17] 2009 Yamaha R1 (FOR ... [4.75]	^ You'd have to put on the Delete R to keep the cel from coming on if your using the full system..... The only decrease in MPG your going to get is because your throttle foot is going to get heavier so that you can listen to the beast with its new lungs... __________________ 2009 E92 M3 /// Melbourne Red /// Fox Red /// M DKG Full Innotech Exhaust - DINAN Intake - IND Engine Bay Appearance - IND Hand Stitched Boot Covers - and much more....

03-26-2012, 07:37 PM	#5
Bubbles Green Bastard Drives: ZCP-Powered Join Date: Jun 2007 Location: Bishop Bend Posts: 3,523 iTrader: (3)	Mpg went up for me on the hwy __________________

03-26-2012, 09:40 PM	#8
OwenyOlgao New Member Drives: bmw Join Date: Mar 2012 Location: ppo Posts: 9 iTrader: (0)	i thought my MPG went up then realized my foot was light due to the noise increased __________________

03-26-2012, 07:52 PM	#6
L4ces Lieutenant Drives: 2008 E92 M3 Alpine White Join Date: Aug 2010 Location: Nj Posts: 451 iTrader: (0) Garage List 2008 M3 [0.00]	Beat me to it too. When I had my xpipe with the oem muffler, my mileage went up quite a bit. It seldom read below 18.2. Once I removed the xpipe and added the AA rear, mileage dropped to 16.4. The difference was my foot. For the former, the rasp and fart kicked in at 2000 rpms, so I was switching gears at 2000+. Once I went to the AA, I started switching gears at 3500 to 4000 because I liked the music.

03-26-2012, 08:08 PM	#7
Sean05 Putcha ang ganda... Drives: 08 MR E92 M3 Join Date: Feb 2010 Location: Los Angeles, Brea CA. Posts: 4,983 iTrader: (9)	At first i thought my MPG went up then realized my foot was light due to the noise increased... LOL SO to answer no

03-27-2012, 06:16 AM	#9
Bubbles Green Bastard Drives: ZCP-Powered Join Date: Jun 2007 Location: Bishop Bend Posts: 3,523 iTrader: (3)	On the highway my mpg went up. I verified this with my own calculations. Using similar avg speed (cruise control). However I love the sound so city driving suffers. Interestingly, track mileage went up to 9mpg from 8mpg. __________________

03-27-2012, 10:48 AM	#10
Rshane M-Flight Member Drives: 2011 E92 M3 Join Date: Jul 2010 Location: Geilenkirchen, Germany Posts: 1,061 iTrader: (0)	Meh, it could have gone up, but I don't really care what my mileage is so I never tracked it. __________________ 2011 Le Mans Blue M3// Black extended Novillo w/ Blue Grey Aluminum trim/DCT/ZTP/ZCW/ZPP/ZCP Premium Sound ///Akrapovic Evolution Exhaust 2012 Le Mans Blue 135i M Pkg DCT 2008 Brilliant Red Audi TT 3.2 Quattro 6M

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