Traxxas Resonator aluminum tuned pipe for Jato is specifically engineered to fit right in the chassis and compliment the Jato's TRX 0.15 racing engine. Dual-chamber pipe improves top-end power with 11% peak power increase from 25,000-30,000RPM and smooth, linear power delivery It's perfect to provide that extra snap of acceleration off the line.
Comments: Tuned pipe, Resonator, R.O.A.R. legal (single-chamber, enhances low to mid-RPM power) Fits Jato, Nitro Rustler, and Nitro 4-Tec
Couldn't really tell a difference but i like it