Automotive Parts and Accessories: FMF Racing FACT4.1 C/S W/PBOMB HDR YFZ450 Complete Systems Factory 4.1 SIL SILVERYAM YFZ450 2004-2010 - 044208 - FMF Racing

Automotive Parts and Accessories: HMF Yamaha YFZ 450 2004 - 2010 Borich Full Exhaust Muffler & JET + K&N Filter - HMF Engineering

Automotive Parts and Accessories: HMF Yamaha YFZ 450 2004 - 2010 Competition Full Exhaust Muffler & Jet Kit + K&N - HMF Engineering

Automotive Parts and Accessories: HMF Jet Kit / Yamaha YFZ 450 2004 - 2010 - HMF Engineering

Automotive Parts and Accessories: FMF Factory 4.1 Full System Powerbomb for Yamaha YFZ 450R 450X 2009-2013 - FMF

Automotive Parts and Accessories: FMF Q4 Muffler Aluminum for Yamaha YFZ 450X 450R 2009-2013 044301 - FMF

Automotive Parts and Accessories: HMF Yamaha YFZ 450 2004 - 2010 Competition Full Exhaust Muffler & Jet Kit - HMF Engineering

Automotive Parts and Accessories: HMF Yamaha YFZ 450 2004 - 2010 Competition Slip On Exhaust Muffler & Jet + UNI - HMF Engineering

Automotive Parts and Accessories: HMF 041413606071 Performance Exhaust: Yamaha YFZ 450R-X - HMF

Automotive Parts and Accessories: K&N YA-4504PK Yamaha PreCharger Round Straight Air Filter Wrap - K&N Engineering

Automotive Parts and Accessories: K&N RU-3480 Universal Rubber Filter - K&N Engineering

Automotive Parts and Accessories: Yoshimura RS-2 Slip-On Muffler Stainless/Alum/Stainless for Yamaha YFZ450R 09-13 - Yoshimura

Automotive Parts and Accessories: K&N YA-4504 Yamaha High Performance Replacement Air Filter - K&N Engineering

Automotive Parts and Accessories: HMF 141413706186 Competition Exhaust: Yamaha YFZ 450R-X - HMF

Automotive Parts and Accessories: HMF 141413606186 Competition Exhaust: Yamaha YFZ 450R-X - HMF

Automotive Parts and Accessories: HMF Yamaha YFZ 450 2004 - 2010 Competition Full Exhaust Muffler & Jet Kit + UNI - HMF Engineering

Automotive Parts and Accessories: Wiseco VET008 Premium Titanium Exhaust Valve - Wiseco

Automotive Parts and Accessories: Two Brothers Racing(005-2430406V) Stainless Steel M-7 Aluminum Canister Slip-On Exhaust System - Two Brothers Racing

Automotive Parts and Accessories: K&N KN-141 Motorcycle/Powersports High Performance Oil Filter - K&N Engineering

Automotive Parts and Accessories: HMF Yamaha YFZ 450 2004 - 2010 Slip On Exhaust Muffler & Jet Kit + UNI Filter - HMF Engineering

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2010 Yfz 450 Exhaust Popular Q&A

Q: What is the loudest exhaust for a YFZ 450?
A: DASA is supposed to make the most horsepower and is the loudest exhaust Read More »

Q: What is the best exhaust for motocross on a Yamaha YFZ450?
A: Depending on your needs you can go with the Mods3 Stage 1 o... Read More »

Q: What is the best exhaust for a 2004 yfz 450?
A: get you a yoshimira oh a fmf titanium t4. Read More »

Q: What is the best exhaust for the 2008 yamaha yfz450?
A: Unless you're wealthy and just want some eye candy, save your money! The factories spend endless hours building and testing engines, stock exhausts are usually ... Read More »

Q: Why is your exhaust pipe on your yfz 450 turning red and hot?
A: it is burning way too rich. Read More »