08 550I W/ MAGNAFLOW
09-24-2008, 03:44 PM
#72
Contributors
Join Date: Oct 2007
Location: Thousand Oaks, California
Posts: 11,084
Likes: 0
Received 0 Likes
on
0 Posts
My Ride: 2008 550i Jet Black on Black Leather, SAT with Paddles, Logic 7, Comfort Seats, NAV, Sport Package, PDC, Xenons, Sirius, Trinity 12W LED Angel Eyes, RPi GT Exhaust, M rear spoiler, ACS Roof Spoiler, Tinted Tail Lights, Bimmian Carbon Fiber Pillar Trim, Bimmian Shadow 550i emblem, RPi Scoop, E60 Forum Cling, Mtec bulbs in fog lights, Mtec 2W LED for License Plate Light Bulbs, K&N Filter, Bimmian LED Smoked Side Markers, Blackout roundels, Carbon Fiber Kidney Grills.
Retired Rides - 1989 325i convertible, 1995 M3, 2002 X5, 2005 545i, 2008 X5 (Lemon)
Originally Posted by subarashi' post='677202' date='Sep 24 2008, 10:23 AM
Whats the explanation/logic for the increased fuel efficiency? Combustion takes place in the engine so how does changing the muffler help increase your fuel economy??????? 
09-24-2008, 08:21 PM
#73
Members
Thread Starter
Join Date: May 2008
Location: Long Island, NY
Posts: 70
Likes: 0
Received 0 Likes
on
0 Posts
My Ride: 2008 BMW 550i-ALPINE WHITE ON BLACK.... SPORT PACKAGE....
sooo even though this post is f**kin halariouss...... ive made a decison and decided to do it... even if i loose a lil torque or hp its fine... if it is it cant be that much different...sooo end result is im doing it... thanks guys lol
Thread
Thread Starter
Forum
Replies
Last Post
Vman33
Complete Car Sales
5
03-14-2022 04:43 AM
spediegunz
E60, E61 Parts, Accessories and Mods
0
08-30-2015 09:43 AM