TF450 2025-26 RS-12 Stainless Full Exhaust, w/ Aluminum Muffler
The Triumph TF450 (C, E, & X) is here and Yoshimura has our RS-12 Signature Series Full System ready to tackle the job of enhancing performance on this new 450 MX machine.
We enlisted a 304 stainless steel/aluminum/carbon fiber version of our RS-12 to provide more horsepower and torque to the TF450 and man did it deliver!
Our RS-12 delivers a whopping 11.3% increase in horsepower @5000 rpm and a staggering 10.8% increase in torque @5000 rpm. Just where this new 450 wants more! Creating power - here at Yoshimura it's what we do.
The RS-12 is designed, developed and manufactured in Chino California.
Sound levels:
(Using 2 Meter Max/J2825 standards with supplied INS-30-K insert)
2000 rpm (J2825)
Stock: 85.0dB
RS-12 full system: 87.5dB
5000 rpm (J2825)
Stock: 93.9dB
RS-12 full system: 97.7dB
REV: (2 Meter Max)
Stock: 112.0dB
RS-12 full system: 113.4dB
Sound Insert/Spark Arrester Options
|
Sound Level
|
Volume Insert | Spark Arrestor | Included |
 |
INS-30-K | Yes | |
 |
INS-32-K | No |
|
 |
INS-33-K
|
SA-21-K | No |
Original: $1,069.00
-65%$1,069.00
$374.15More Images
TF450 2025-26 RS-12 Stainless Full Exhaust, w/ Aluminum Muffler
The Triumph TF450 (C, E, & X) is here and Yoshimura has our RS-12 Signature Series Full System ready to tackle the job of enhancing performance on this new 450 MX machine.
We enlisted a 304 stainless steel/aluminum/carbon fiber version of our RS-12 to provide more horsepower and torque to the TF450 and man did it deliver!
Our RS-12 delivers a whopping 11.3% increase in horsepower @5000 rpm and a staggering 10.8% increase in torque @5000 rpm. Just where this new 450 wants more! Creating power - here at Yoshimura it's what we do.
The RS-12 is designed, developed and manufactured in Chino California.
Sound levels:
(Using 2 Meter Max/J2825 standards with supplied INS-30-K insert)
2000 rpm (J2825)
Stock: 85.0dB
RS-12 full system: 87.5dB
5000 rpm (J2825)
Stock: 93.9dB
RS-12 full system: 97.7dB
REV: (2 Meter Max)
Stock: 112.0dB
RS-12 full system: 113.4dB
Sound Insert/Spark Arrester Options
|
Sound Level
|
Volume Insert | Spark Arrestor | Included |
|
|
INS-30-K | Yes | |
|
|
INS-32-K | No |
|
|
|
INS-33-K
|
SA-21-K | No |
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Triumph TF450 (C, E, & X) is here and Yoshimura has our RS-12 Signature Series Full System ready to tackle the job of enhancing performance on this new 450 MX machine.
We enlisted a 304 stainless steel/aluminum/carbon fiber version of our RS-12 to provide more horsepower and torque to the TF450 and man did it deliver!
Our RS-12 delivers a whopping 11.3% increase in horsepower @5000 rpm and a staggering 10.8% increase in torque @5000 rpm. Just where this new 450 wants more! Creating power - here at Yoshimura it's what we do.
The RS-12 is designed, developed and manufactured in Chino California.
Sound levels:
(Using 2 Meter Max/J2825 standards with supplied INS-30-K insert)
2000 rpm (J2825)
Stock: 85.0dB
RS-12 full system: 87.5dB
5000 rpm (J2825)
Stock: 93.9dB
RS-12 full system: 97.7dB
REV: (2 Meter Max)
Stock: 112.0dB
RS-12 full system: 113.4dB
Sound Insert/Spark Arrester Options
|
Sound Level
|
Volume Insert | Spark Arrestor | Included |
|
|
INS-30-K | Yes | |
|
|
INS-32-K | No |
|
|
|
INS-33-K
|
SA-21-K | No |
