Overview Product Description Fitments Years Make Model 2014 - 2017 Yamaha YZ 250 F 2014 - 2017 Yamaha YZ 450 F VideoFeaturesFor use with Factory 4.1Specs Product Name: Insert Riding Style: Off-Road Model: Factory 4.1 RCT Type: Spark Arrestor Units: EachApproximate Package Weight & Dimensions Weight: 0.15 Height: 1.66 Length: 10 Width: 8 Product Videos Custom Field Product Reviews Write a Review Write a Review × Fmf Fmf 4.1 RCT Spark Arrestor Insert Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *
Fmf | sku: 1861-0698 Fmf Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0699 Fmf 94dB Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0170 Fmf Spark Arrestor - 4.1 MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-1666 Fmf Quiet Core Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart sku: 1821-1535 Fmf Factory 4.1 RCT Muffler MSRP: Was: Now: $674.99 Add to Cart Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart Recommended Fmf | sku: 1861-0698 Fmf Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0699 Fmf 94dB Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0170 Fmf Spark Arrestor - 4.1 MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-1666 Fmf Quiet Core Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart sku: 1821-1535 Fmf Factory 4.1 RCT Muffler MSRP: Was: Now: $674.99 Add to Cart Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart × OK
Fmf | sku: 1861-0699 Fmf 94dB Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0170 Fmf Spark Arrestor - 4.1 MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-1666 Fmf Quiet Core Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart sku: 1821-1535 Fmf Factory 4.1 RCT Muffler MSRP: Was: Now: $674.99 Add to Cart Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart Recommended Fmf | sku: 1861-0698 Fmf Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0699 Fmf 94dB Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0170 Fmf Spark Arrestor - 4.1 MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-1666 Fmf Quiet Core Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart sku: 1821-1535 Fmf Factory 4.1 RCT Muffler MSRP: Was: Now: $674.99 Add to Cart Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart × OK
Fmf | sku: 1861-0170 Fmf Spark Arrestor - 4.1 MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-1666 Fmf Quiet Core Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart sku: 1821-1535 Fmf Factory 4.1 RCT Muffler MSRP: Was: Now: $674.99 Add to Cart Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart Recommended Fmf | sku: 1861-0698 Fmf Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0699 Fmf 94dB Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0170 Fmf Spark Arrestor - 4.1 MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-1666 Fmf Quiet Core Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart sku: 1821-1535 Fmf Factory 4.1 RCT Muffler MSRP: Was: Now: $674.99 Add to Cart Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart × OK
Fmf | sku: 1861-1666 Fmf Quiet Core Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart sku: 1821-1535 Fmf Factory 4.1 RCT Muffler MSRP: Was: Now: $674.99 Add to Cart Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart Recommended Fmf | sku: 1861-0698 Fmf Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0699 Fmf 94dB Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0170 Fmf Spark Arrestor - 4.1 MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-1666 Fmf Quiet Core Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart sku: 1821-1535 Fmf Factory 4.1 RCT Muffler MSRP: Was: Now: $674.99 Add to Cart Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart × OK
sku: 1821-1535 Fmf Factory 4.1 RCT Muffler MSRP: Was: Now: $674.99 Add to Cart Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart Recommended Fmf | sku: 1861-0698 Fmf Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0699 Fmf 94dB Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0170 Fmf Spark Arrestor - 4.1 MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-1666 Fmf Quiet Core Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart sku: 1821-1535 Fmf Factory 4.1 RCT Muffler MSRP: Was: Now: $674.99 Add to Cart Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart × OK
Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart Recommended Fmf | sku: 1861-0698 Fmf Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0699 Fmf 94dB Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0170 Fmf Spark Arrestor - 4.1 MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-1666 Fmf Quiet Core Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart sku: 1821-1535 Fmf Factory 4.1 RCT Muffler MSRP: Was: Now: $674.99 Add to Cart Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart × OK
Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart
Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart
Fmf | sku: 1861-0698 Fmf Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0699 Fmf 94dB Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0170 Fmf Spark Arrestor - 4.1 MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-1666 Fmf Quiet Core Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart sku: 1821-1535 Fmf Factory 4.1 RCT Muffler MSRP: Was: Now: $674.99 Add to Cart Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart
Fmf | sku: 1861-0699 Fmf 94dB Spark Arrestor Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-0170 Fmf Spark Arrestor - 4.1 MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-1666 Fmf Quiet Core Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart sku: 1821-1535 Fmf Factory 4.1 RCT Muffler MSRP: Was: Now: $674.99 Add to Cart Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart
Fmf | sku: 1861-0170 Fmf Spark Arrestor - 4.1 MSRP: Was: Now: $39.99 Add to Cart Fmf | sku: 1861-1666 Fmf Quiet Core Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart sku: 1821-1535 Fmf Factory 4.1 RCT Muffler MSRP: Was: Now: $674.99 Add to Cart Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart
Fmf | sku: 1861-1666 Fmf Quiet Core Insert - 4.1 RCT MSRP: Was: Now: $39.99 Add to Cart sku: 1821-1535 Fmf Factory 4.1 RCT Muffler MSRP: Was: Now: $674.99 Add to Cart Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart
sku: 1821-1535 Fmf Factory 4.1 RCT Muffler MSRP: Was: Now: $674.99 Add to Cart Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart
Fmf | sku: 1820-2002 Fmf EXHAUST ALUM 4.1 RCT MGBM MSRP: Was: Now: $1,049.99 Add to Cart Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart
Fmf | sku: 1820-1900 Fmf Factory 4.1 RCT Exhaust - Aluminum MSRP: Was: Now: $949.99 Add to Cart Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart
Fmf | sku: 1860-1050 Fmf Replacement Ring - Factory 4.1 RCT MSRP: Was: Now: $4.99 Add to Cart sku: 1820-1901 Fmf Factory 4.1 RCT Exhaust - Titanium MSRP: Was: Now: $1,199.99 Add to Cart