The both fit from 04-08 RXP's. They both were on my machine for 1 week and I only road it for sat, sunday. I am trading my ski in for an X so the dealer asked me to remove the parts. They worked flawlessly. The pipe is def has a nice sound but its loud.

Riva Power filter kit. $150 plus shipping
PPG Resonated Power Pipe. $175 plus shipping.

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