All you hav to do is elogate the 2 mounting bolt holes in the battery tray ad you can slide the battery and tray toward the driver side an inch. This allows the piping to clear the battery when using the D's mani/TB. It worked for me.
I have a short ram pipe from my old ebay CAI. It has the "dark chrome" look to it. Its not as beefy as my Injen piping but it did the job back in the day. I'd be willing to trade or sell mine for $20 or so.