DG Performance 02-4160 - R-Series Slip-On Exhaust with Spark Arrestor - Ball Burnished fits Yamaha YFZ 450 (2004 - 2009)

HMF Yamaha YFZ 450 2012 2013 Competition Slip On Exhaust Muffler & Jet Kit UNI

Dr.D (1215) Head Pipe for Yamaha YFZ450R

DG Performance 03-4160 - O-Series Slip-On Exhaust with Spark Arrestor - Ball Burnished fits Yamaha YFZ 450 (2004 - 2009)

Malone Motorsports PSA-YAM-2 Yamaha YFZ450R EFI Performance Exhaust Insert Spark Arrestor

Malone Motorsports PSA-YAM-1 Yamaha YFZ450 Performance Exhaust Insert Spark Arrestor

Sparks Exhaust Yamaha Yfz450x 09- Big Core Py09450yfzssbc Pro Flow K&n Filter

DG Performance 052-4160 - RCM II Exhaust with Head Pipe & Spark Arrestor - Black fits Yamaha YFZ 450 (2004 - 2009)

DG Performance 105-4160 - Bullet Exhaust with Head Pipe & Spark Arrestor - Black Ceramic fits Yamaha YFZ 450 (2004 - 2009)

Sparks Exhaust Yamaha Yfz450 04- Big Core Py04450yfzssbc Pro Flow K&n Filter

Sparks 09- Yfz450r/x Exhaust Package Deal Ss Ceramic Race Core Epdy09450yfzm

Sparks Exhaust Yamaha Yfz450x 09- Big Core Py09450yfzssbc Pro Flow Foam Filter

Sparks Exhaust Yamaha Yfz450 04- Big Core Py04450yfzssbc Pro Flow Foam Filter

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Sparks 04-yfz 450 No Efi Exhaust X-6 Ss Py04450yfzssm

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Yfz 450 Sparks Exhaust Popular Q&A

Q: Should I get a HMF Iron Man or Curtis Sparks exhaust for my 08' Y...
A: If I had to choose between those two I would take the Curtis Sparks. I personally would pick a tunable exhaust like CT or Alba. Read More »

Q: I have a yfz450 with a full curtis sparks exhaust and my header g...
A: You should check the valve clearances. Sounds like the exhaust valves are tight. Read More »

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: How to Remove a Spark Plug in a Yamaha YFZ450.
A: 1. Unlatch the seat, using the release lever at the rear of the seat. Lift the rear of the seat up, and then pull it away from the ATV. 2. Unscrew both upper fu... Read More »

Q: How to Change a Spark Plug on a YFZ 450.
A: 1. Pull the seat release lever, located at the rear of the seat, then lift the seat off the ATV's frame. Remove the lower fuel tank cover bolts, using a 12 mm s... Read More »