{"product_id":"triumph-tf-450-2025-2026-274500s320","title":"TRIUMPH TF 450 - (2025-2026) Yoshimura RS-12 Stainless Full System - Carbon End Cap - 2025 model. Includes INS-30-K sound insert","description":"The newest version of the Kawasaki KX250F is here, and Yoshimura has an RS-12 Signature Series full system exhaust to help boost the new green machine right up onto the podium!\u003cbr\u003e\u003cbr\u003eThe 2025 Triumph TF 450 is here and Yoshimura has Yoshimura's RS-12 Signature Series Full System ready to tackle the job of enhancing performance on this new 450 MX machine.\u003cbr\u003e\u003cbr\u003eWe enlisted a 304 stainless steel\/aluminum\/carbon fiber version of the Yoshimura RS-12 to provide more horsepower and torque to the TF 450 and man did it deliver!\u003cbr\u003e\u003cbr\u003eOur 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.\u003cbr\u003e\u003cbr\u003eSome of the features of the new RS-12 include:\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCarbon Faced Machined Joint\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eRS-12's Carbon Faced Machined Joint no longer requires the use of anti-seize. This is accomplished by impregnating the surface of the stainless steel joint with carbon atoms. The result is a reduction in wear over the life of the joint by reducing friction.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eHeader Resonator\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eOur header resonator isn't just there for looks, it allows us to maximize power across the spectrum, while enhancing rider connectivity. But it does look cool!\u003cbr\u003e\u003cbr\u003eThe new RS-12 for the 2025 KX250F comes with an INS-31-K sound insert installed. This insert not only produces an ear pleasing exhaust note, it also makes the best power for the new Kawasaki. Also available separately is an SA-21-K spark arrestor when venturing out into the woods is your thing.\u003ch3\u003eSignature Series Exhaust System\u003c\/h3\u003e\u003cdiv\u003eThe Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. The Signature Series line up is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of Yoshimura's off-road applications. Every Yoshimura Championship Winning Motocross exhaust system and nearly all Yoshimura ATV\/Side-by-Side applications are members of the Signature Series Family.\u003c\/div\u003e\u003ch3\u003eWeights:\u003c\/h3\u003e\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003eStock system: 3.95 kg\u003c\/li\u003e\n\u003cli\u003eYoshimura RS-12: 4.45 kg\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003ch3\u003eSound levels:\u003c\/h3\u003e\u003cdiv\u003e\n\u003cbr\u003e\u003cbr\u003e(Using 2 Meter Max\/J2825 standards with supplied INS-30-K insert)\u003cbr\u003e\u003cbr\u003e2000 rpm (J2825)\u003cul\u003e\n\u003cli\u003eStock: 85.0dB\u003c\/li\u003e\n\u003cli\u003eRS-12 full system: 87.5dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e5000 rpm (J2825)\u003cul\u003e\n\u003cli\u003eStock: 93.9dB\u003c\/li\u003e\n\u003cli\u003eRS-12 full system: 97.7dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003eREV: (2 Meter Max)\u003cbr\u003e\u003cbr\u003eStock: 112.0dB\u003cbr\u003e\u003cbr\u003eRS-12 full system: 113.4dB\u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":56879466643839,"sku":"274500S320","price":1027.5,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/p3tuning-performanceparts.com\/products\/triumph-tf-450-2025-2026-274500s320","provider":"P3Tuning","version":"1.0","type":"link"}