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Fits: Subaru Legacy Forester outback Impreza 1997-2005 2.5R EJ engine
Fits: compatible with Stock OEM or Tsudo aftermarket Downpipe.
Note: Revised with Flex Joint
Subaru is one of the best car manufacturers around, that is reflected in the craftsmanship of their Legacy, Forester, Outback and Impreza. The naturally aspirated 2.5 Liter RS EJ engine that provides the best available power in stock form. However, that doesn't mean it can't be improved. The headers of the car is where the most power can be made by a bolt-on system. The Tsudo Unequal Length Header utilizes a true 4-2-1 offering a great way to improve your performance, weight and sound. The Tsudo Unequal Length Headers uses tuned piping made of the highest quality 100% T-304 stainless steel and mandrel bent throughout. The end result is 2.25 inch diameter piping the entire way through, no bottle necks or choke points, only free unrestricted flow heading out of the 2.5 RS EJ engine. All of this combined means: Improved horsepower, improved torque and improved throttle response for maximum gains. Many companies will skip the T-304 stainless steel or mandrel bent tuned piping, what this means is your Legacy / Forester / Outback / Impreza will have a header system that will eventually crack and corrode while causing choke points that hinder exhaust flow and your performance. For even more gains the headers offer a significant weight reduction over the stock OEM system, which improves acceleration and handling. Lastly, the Unequal Length Headers wake up the 2.5 RS engine and gives a deep exhaust note throughout the RPM range. The Headers truly wake up the Subaru and allow it to really shine in performance and sound.
Product Type: Stainless 4-2-1 V2 Race Header Version 2
The fitment on a 04 2.5rs was decent. Unless you are super weak, u can get it in there with no leaks. the sound was great. It was paired with the tsudo catback and it rumbles at idle and really opens up when you go for it. Unknown on 28th Dec 2016
The sound it kind of muffled with the stock cats but still sounds great. I had to file down one of the holes in order to get one of the studs in. Also it is very close to the oil filter but I'm going to wrap it soon. Josh on 14th Apr 2016
Excellent! great sound , fitment Almost perfect but It still went on and has been excellent. No leaks or problems yet. LAURA R. on 14th Jan 2015