Rudy's diesel. DPF performance. Advanced Diesel and performance. And i think around 7-8 other companies have them listed. Price may have gone up to 1500+ now since they aren't making them anymore. Look it up.
If you know different please let me know. There customer service department is closed as of 2 months ago when I called, and emailed I was responded to by an automatic message. I hope they are still around but last I checked and heard they are done. Any link or info in right direction would be a...