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Borla Exhaust Systems - 140030

Cat Back Exhaust - Multicore Series
  • $579.99
  • Free Shipping
  • Ships Between 12/13 - 12/17
  • What Do You Drive?


  • Style:
    2.25" Right rear exit
  • Part #:
  • Bolt-in exhaust kit requires no cutting or welding
  • Main piping diameter: 2.25"
  • 4" single, round, rolled edge, angle-cut, lined, polished tip
  • No interior drone noise
  • Download installation instructions (PDF)

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Borla Exhaust Systems Part #140030 Customer Reviews

Average Rating

6 Customer Reviews

Nice sound.

Reviewed by Ronald G (Seaford, VA) Reviewed for a 2008 Ford Mustang — Jan 23, 2017 4:53 PM

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Like others, only problem was the original bolts at the converter. One came off with no problem, the other I just snapped off with a little extra torque. New bolts and clamps included but no gasket. Matched one up at parts store. Maybe the State Trooper won't pull my wife over for loud exhaust now. It's quieter than the glass pack that was on it when we bought Mini 10 years ago. The new system gives off nice sound when putting your foot in it, but not so loud under normal driving. We're happy.

Borla Exhaust on 2004 Mini

Reviewed by Ted M (Sutton, MA) — Feb 21, 2012 3:55 PM

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Great price for a quality exhaust. Sounds great much nicer than stock. Easy installation. Make sure you get a Cat to mid pipe gasket. It was the only thing not included in the kit. Also check your rubber exhaust hangers for damage. Dealer only item around here. W

Boral exhaust system for 2002 1.6L MINI Cooper

Reviewed by Edward R (Evanston, IL) Reviewed for a 2002 Mini Cooper — Feb 16, 2012 9:46 AM

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9 of 10 people found the following review helpful.

The Borla exhaust arrived direct from the factory on time as promised. AutoAnything's price beat their competitor's and was less expensive than a stock replacement, or any estimate at the local muffler shops. Plus it is all stainless steel, and is a performance upgrade. Installation is straightforward, is very possible for anyone familiar with a wrench. The fact it is all bolt-on with no welding is another huge plus. Removal of the old system,on a ten year old MINI driven in the rust belt, was more of a challenge than the installation, so some patience required there, especially with the old flange bolts. Once installed, it fit perfectly and performs flawlessly. The sound is deep and resonant at low rpms and quite pleasant at higher rpms, though higher decibels overall than stock. Gas mileage improvement was noticed immediately on a vehicle that was great in the first place.

Great bolt on system

Reviewed by Andrew H (West Lawn, PA) Reviewed for a 2013 Mazda CX-5 — Dec 27, 2010 7:54 AM

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5 of 5 people found the following review helpful.

I have a 2003 Mini Cooper and just installed this system. I love it, sounds great and not too loud. My old system would resonate inside and was unbearable at highway speeds. But this is just the right sound. Pieces seem to be made very well, all the welds look perfect. The only problem I had was the tip didn't exit perfectly at the rear bumper. I had to bend the hangers and cut a piece off of one to get it centered. Prolly best left to a muffler shop for installation, but it is do-able.

My new exhaust!

Reviewed by Shawn M (Benton Harbor, MI) Reviewed for a 2002 Mini Cooper — Aug 13, 2009 8:57 PM

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7 of 7 people found the following review helpful.

Have had my borla exhaust on my 2002 mini cooper for 2 weeks now and I LOVE IT! Sounds VERY DEEP and in no way does it sound like a ricer! It sounds like a fast sports car! Even though my mini is not very fast this definitely enhances the driving experience in my mini! Very Satisfied with the sound and performance. Basically it's loud when it needs to be and quiet when needed! Only problem i've had is that it rattles (while idling) b/c of the heat shield! I've had to mess with it and experiment and I think I Finally got it by drilling a little hole in each side of the hanger by the heat shield near the resonator. overall very impressed and since it's been broken in I LIKE IT EVEN MORE!! Auto Anything was very fast I ordered it on a thursday morning and had it saturday afternoon (of the same week)! I WILL BUY MORE GOODS FROM AUTOYANYTHING AGAIN!!

I'm very happy... However...

Reviewed by Victor T (Olympia, WA) Reviewed for a 2011 Ford Escape — Apr 10, 2009 7:24 PM

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4 of 5 people found the following review helpful.

The exhaust came in very promptly, it's truly a beauty. The sound is great and the power is evident however, here is the sad part... I kind of wanted to be the first if any to place a dent on it. It came out of the box with a big dent right on the tail end where people could see it if they were to look at it. I tried to take a picture of it but from all angles the tail is shinny so the reflection did not allow to view for posting. Fan as I am that was the only heartbreaker. Then to go through the wait of getting another one shipped was not in my anxious plans. The hat did not come in either. Other than that, phenomenal upgrade. A must own for enthusiastic, adrenaline wanting Mini Cooper (R50) owners!