The M25 performance pipe is designed and tuned with .25-.32 engine for the HPI Savage monster trucks, and will increase low-end, mid range and hi-end power.

The extreme competition pipe for serious racers and basher.

Specifications
Length: 177mm (7")
Width:
Height:
Net Weight: Pipe: 2.4oz/68g
Pipe+header+parts: 3.8oz/105g
Finish/Color: Mirror polished
Notes: Fits the HPI Savage and X without modifications.

*You will need to re-tune your engine and or readjust the shift point of your 2/3-speed transmission after install the pipe.