Subaru WRX 2002-2005, Stainless Steel Cat-Back Exhaust System by Borla®, AGGRESSIVE SOUND, 2.5" Tubing, Rear Exit, and 4" Inlet / 8" Outlet Single Round Half-Rolled Angle-Cut Phantom Tip. When you want the best performing, best sounding, and highest quality exhaust system, you want BORLA. BORLA straight-through mufflers and mandrel-bent exhaust tubes are custom tuned to deliver the most horsepower possible, with that famous BORLA "growl" of power. And the quality, aircraft-grade, austenitic stainless steel construction allows BORLA to back every Cat-Back system with an unequaled million-mile warranty.
Replacing your factory exhaust system with an aftermarket performance system is a significant investment in money and time. Of course, you can always try saving money and going with a cheaper system, but you may only get an irritating exhaust tone without any real gains in power. The only silver lining with such a system is that it probably won’t last, so at least you won’t have to put up with it for long. Instead of going that route, just install a premium BORLA Cat-Back exhaust system. You’ll get the power and sound you want, with quality materials and construction that will make it the last exhaust system you’ll ever need to buy for your car.
BORLA custom designs each exhaust system for the specific application, to make the most horsepower and torque with the best sound quality. The patented straight through muffler design reduces restriction and increases exhaust gas velocity, making sure each cylinder is completely evacuated to make room for the incoming charge. This design absorbs the sound waves without disturbing the power waves, in contrast to the chambered mufflers used by most aftermarket companies. Chambered mufflers use partitions or baffles to subdue sound waves, which also creates backpressure and reduces power.
The shape and diameter of the exhaust tubing is optimized for volume and exhaust gas velocity. BORLA mandrel bends the stainless steel tubing for smooth bends and to make sure the pipe maintains its size and shape throughout the entire length. Tubes that aren't mandrel bent can lose a significant percentage of their diameter in sharp bends. This system features an "X" pipe, where the pipes behind the catalytic converter include a crossover junction. This junction reduces excessive backpressure created by close firing cylinders on one bank, allowing it to escape to the other side of the system, thereby improving low and mid-range torque.
But improved performance is only part of what you want in an aftermarket exhaust system, because all the horsepower in the world won't matter if it doesn't sound right. There’s no need to worry with a BORLA System. They have many years of automotive acoustical experience and the company is staffed with automotive enthusiasts just like you that listen and drive cars to make sure your system has the right sound to go with the power.
However, the best power and sound is meaningless if the exhaust system rots away in a few years. BORLA uses the finest materials and construction techniques to make sure this won't happen. They use austenitic stainless steel for their systems, which contains high levels of nickel and chromium, to resist corrosion. This material is harder than the lower grade stainless steel used by the OEM manufacturers, yet is very ductile. Nevertheless, the increased hardness requires special equipment to form and bend. The muffler contains stainless steel perforated tubes wrapped with several layers of stainless steel sound absorbing material and a layer of ceramic sound absorbing, high temperature material, all contained in a fully welded stainless steel shell.
The BORLA Stainless Steel Cat-Back Exhaust System comes complete with everything required for installation, including detailed instructions. BORLA is so confident in the quality of this system that it’s guaranteed against defects in materials and workmanship for one million miles.
BORLA® is the leading manufacturer of stainless steel performance exhaust products. The company began three decades ago making exhaust systems for concours classic Rolls Royce and Ferrari models, and gradually evolved to become the premier manufacturer of performance exhaust products for street, off-road and racing. BORLA pioneered many improvements in the design of performance exhaust systems, holds several patents for innovative exhaust system technology, and has won numerous “Best New Product” awards. Today the company operates a state of the art research and development center in Oxnard, California, and makes all of its products at a world-class manufacturing facility in Johnson City, Tennessee.
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I'm satisfied with this purchase. The exhaust came very well packaged with no damage. Everything fit my 2009 Subaru Impreza as it should, and it look 100% better than the stock exhaust. The sound is not overwhelming or obnoxious, so I'm not waking the neighbors, but it has a sporty edge to it now. Don't try to install on your own, you'll just end up exhausted and wishing you had five arms. Instead, take it to a shop. Or, do what I did and save some money, but have a source for a car lift and two helpers. If you can find that, it's done in 30 minutes, and you'll wonder why everybody doesn't do this! One negative note: And, it's really not that negative... but to get the flanges at the front of the forward pipe connected to the existing exhaust, we had to hunt down two spring to fit the bolt connections, because the stock ones were too large and wouldn't compress enough to get the nut started on the bolt thread. Again, we got really lucky there, but that one little thing could have set us back hours just to go buy random springs.
I purchased the Borla Catback Exhaust for my 2001 Subaru Outback Limited (2.5L AWD AT 4DR). According to the charts, it was supposed to be a direct fit catback. Unfortunately it was not. That is why for ease of instillation I gave 1 star. I had to go to a custom muffler shop to have the catback installed. After some cutting, bending, and new placement of hangers (every hanger was in the wrong spot) it finally went on. Everything else gets 5 stars. Appearance is amazing. 4" exhaust tip is very nice. Sound is a deep throaty sound, and not a tin can sound. Gains on the upper end can be felt. It looks superb. Price was $542. This was much less then I was quoted for a stock replacement catback from Midas. Even with the added charge of customization it was cheaper then the stock quote I got. Quality is great. Stainless steel, and guaranteed for 1,000,000 miles. You can't beat that! I'm quite happy with this catback system even with the headache of installation. If you're patient and can find a custom shop, then I recommend this exhaust for a Subaru Outback wagon. If you're looking for a direct fit, this isn't it. My grade: A-