Milltek exhaust, any changes in gas mileage?
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AudiWorld Member
Joined: Dec 2007
Posts: 201
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From: Atlanta GA
Milltek exhaust, any changes in gas mileage?
At some point I'd like to get the 3" milltek exhaust. I don't want anything more aggressive as I want the least irritating sound. Anyone that has this notice any changes in gas mileage? Noticeably better/worse or neligible? Thanks!
AudiWorld Member
Joined: Jan 2004
Posts: 161
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Milltek - so far sems ok.
I needed to replace my cats, so i went with the complete milltek solution. I had the borla before, with JP engineering downpipes. After getting everything off, I decided that I did not want to go through that soon again, so I also replaced all the 02 sensors.
The Milltek is not as loud as the Borla I took off. The fit is good, the look subtle. Overall I am pleased with the setup. I hope these cats last for another 100K miles.
Speaking of which, anyone want to buy my old Borla cat back? I'll include the O2 sensors, as i never bothered to take them out. They worked fine. There is a small dent in the muffler, but not enough of one to obstruct any piping. you'll never notice, and you can not see the damage unless you are under the car looking up. I'll sell it cheap! It is currently located in Frenchtown, NJ - 08825
The Milltek is not as loud as the Borla I took off. The fit is good, the look subtle. Overall I am pleased with the setup. I hope these cats last for another 100K miles.
Speaking of which, anyone want to buy my old Borla cat back? I'll include the O2 sensors, as i never bothered to take them out. They worked fine. There is a small dent in the muffler, but not enough of one to obstruct any piping. you'll never notice, and you can not see the damage unless you are under the car looking up. I'll sell it cheap! It is currently located in Frenchtown, NJ - 08825
Audiworld Junior Member
Joined: Nov 2005
Posts: 46
Likes: 0
Miltek
Just installed a 3" single Miltek this weekend. Beautiful look and sound. Marginally louder than stock until you stomp on it...then its sounds very nice. Bought the single rather than dual as dealer (Stratmoshpere) suggested the dual would have drone at highway speeds especially with the Avant body.
I also installed the Trantrumwerks downpipes. They have a very different design as compared to others downpipes, and really only one of two options for TIP owners (Miltek makes a TIP downpipe, but its $2,500. !!!). The downpipe install on a TIP is NOT fun. 10+ hours...and that's using a lift. Of course we did intall all new O2's and EGT's so that took a bit of time. No noticable change in fuel consumption yet, but turbos seem to spool faster and virtually no boost pressure drop with stock Ko3's.
I also installed the Trantrumwerks downpipes. They have a very different design as compared to others downpipes, and really only one of two options for TIP owners (Miltek makes a TIP downpipe, but its $2,500. !!!). The downpipe install on a TIP is NOT fun. 10+ hours...and that's using a lift. Of course we did intall all new O2's and EGT's so that took a bit of time. No noticable change in fuel consumption yet, but turbos seem to spool faster and virtually no boost pressure drop with stock Ko3's.
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