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# BOR-140113 - BMW 5-Series E60 525i / 530i 2004-2007, Cat-Back™ System - 2.25", 2.5" Pipes, Rear Exit, 3.19" RD x 4.75" Tip Size.
Borla Cat-Back exhaust systems feature patented, straight-through and multi-core technology that releases extra horsepower, yet improving on your vehicle's fuel economy, delivering the well-known, street- and track-respected Borla sound. All of that greatly contributes to the driving experience delivering you the joy and excitement you needed. All of the Borla products and components are built of premium quality materials for serving you the longest and most pleasing lifetime.
FWD=Front Wheel Drive, RWD=Rear Wheel Drive, AWD=All Wheel Drive, AT=Automatic Trans., MT=Manual Trans., DR=Door, OV=Oval, RD=Round, SQ=Square, RE=Rectangular.
Brand: Borla Part Number: BOR-140113
It is recommended to have your BORLA professionally installed; however, if you choose to do it yourself, anticipate approximately two hours for a system install and approximately six hours for header installation. BORLA PERFORMANCE INDUSTRIES, INC. warrants its products to the original purchaser of record and for the original vehicle on which the product was installed, against defects in materials and workmanship for one million miles.
Borla® - Cat-Back System, E60 525i / 530i (10 latest reviews)
Every Customer can leave a review about our service and the product that was purchased. In order to leave your review for the purchased product, please follow the link in the email message that you will receive after completing the purchase. You can rate appearance, ease of installation, price/value and product quality.
Customers' rating: 
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Price/Value Quality All Borla Exhaust Systems reviews >>GoodPosted on 05/21/12 Yiyuan L. - 2010 Cadillac CTS (Fu Zhou, Fu Jian)Appearance Ease of Installation Price/Value Quality "Good."
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Tail Pipe CoverPosted on 05/17/12 Kristie D. - (Sussex, NJ)Appearance Ease of Installation Price/Value Quality "Honestly, looks so cool. I'm in love with the way it looks. Spices up my 2010 Ford Focus."
Was this review helpful?Borla-Cat-Back SystemPosted on 05/16/12 Jim A. - 2006 Jeep Grand Cherokee (LaSalle, ON)Appearance Ease of Installation Price/Value Quality "Very pleased with the product."
Was this review helpful?04 RX8Posted on 05/03/12
Eric G. - 2004 Mazda RX-8 (Fort Riley, KS)Appearance 
Ease of Installation Price/Value Quality "Haven't installed yet but looks great!"
Was this review helpful?Borla - Cat-Back for 2004 NavigatorPosted on 04/12/12 Gurdeep N. - 2004 Lincoln Navigator (Farmingdale, NJ)Appearance 
Ease of Installation Price/Value Quality "Just installed it a few days ago along with a Volant cold air intake, swapped out my K&N intake and MagnaFlow exhaust (had those in for 5 years), haven't noticed a change in mpg yet, but sure does sound better and power to the wheels feels stronger...Highly recommend."
Was this review helpful?Borla Cat BackPosted on 03/17/12 Othneil B. - 2009 Toyota Corolla (Washington, DC)Appearance Ease of Installation Price/Value Quality "I bought this thought it was just another thing to buy but it ended up being the best thing I bought for my Corolla 2010 s. Borla is awesome. It will make you love your car a lot more. Its sound is so beautiful I wanted to cry. "
Was this review helpful?Borla Cat Back ExhaustPosted on 03/16/12 Basil P. - 2010 Ford F-150 (Denmark, WA)Appearance Ease of Installation Price/Value Quality "This is an excellent product. If you have a ramp or hoist it makes the installation much easier particularly for removing the original exhaust system. The quality is first class and everything fits as it should leaving a professional factory fitted appearance to the vehicle. I used pot belly black paint on the portion that crosses the rear of the diff. I live in Australia so it had to be right first time. It is."
Was this review helpful?Borla® - Cat-Back System; 4.6L/5.4L V8 2+4WD AT/MT, 2.5" PipesPosted on 04/07/11 Mitchell M. - 2004 Ford F-150 (Cold Lake, AB)Appearance Ease of Installation Price/Value Quality "This cat back system is very high quality. We had to cut about half an inch off of one pipe to make it fit perfect but other than that it was a very easy instalation. I would recommend Borla to anyone. It gave my truck a very deep growl and a noticeable hp and tq increase. I will be a Borla customer for life."
Was this review helpful?Great QualityPosted on 12/26/11 Roger L. - 2009 Mitsubishi Lancer (Holly Springs, NC)Appearance Ease of Installation Price/Value Quality "Awesome look and sound on 09 Lancer. Installation would have been a breeze however, the bolts "hardward" from old muffler were permenately attached so could not use them to install the Borla.... Christmas day so NOTHING open! had to rig up a different bolt/nut to connect but plan to replace with original bolts soon."
Was this review helpful?Borla Cat-Back SystemPosted on 10/20/10 Savoeurt D. - 2004 Mini Cooper (San Francisco, CA)Appearance Ease of Installation Price/Value Quality "The exhaust system by Borla that I purchased from CarID was the best decision I made by far. The system was a snap to put in and it only took about two hours for one person to install. For the price that this site offered along with the free shipping, made it an even easier decision to click the "purchase" now button. I would definitely recommend this product and this site to whom ever owns a Mini. I've had compliments after compliments about the exhaust as soon as it was installed. The sound of the exhaust is not to much and it gives it a little extra boost. Outstanding job Borla!"
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