| I bought some as they were an inexpensive upgrade until I upgrade from stock turbos, then it's on to the Sp-Z 3" splits even though they are expensive. I run the Sp-Z LaBree cat-back system to start with and then decided to upgrade the forward portion. Anyway the DP's are very good for the money. They fit perfectly and make quite a spool up time improvement over the stock cats. No issues with the o2 sensors either. The Sp-Z or other 2.5" super splits are a lot better, but also a lot more cash. The mid or test pipes are a different matter. They don't fit well at all, especially the passenger side. I ended up getting some high flow 2.5" cat/pipes as I could tell there was a lot of stress once all bolted up. Still even at the money and throw the test pipes away, it's a pretty good deal (mine were $105.00 /set) PS - you will have to pull the trayy to install the DP's
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