Dirt Bike Inserts & Spark Arrestor

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$26.99

FMF RCT Spark Arrestor Insert for Factory 4.1 Exhaust - 040638

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Part #: 435532 Mfg Part #: 040638
$35.99

(2)

FMF Factory 4.1 Quiet Core Insert - 040304

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Part #: 433979 Mfg Part #: 040304
$35.99

FMF 4.1 RCT Dual Spark Arrestor Insert - 040681

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Part #: 437109 Mfg Part #: 040681
$35.99

FMF RCT 94dB w/Spark Arrestor Insert for Factory 4.1 Exhaust - 040639

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Part #: 435533 Mfg Part #: 040639
$35.99

FMF 4.1 RCT Spark Arrestor Insert - 040678

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Part #: 436800 Mfg Part #: 040678
$26.99

(3)

FMF Factory 4.1/4C Spark Arrestor - 040261

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Part #: 432775 Mfg Part #: 040261
$25.19

FMF Powercore 4 Quiet Core Insert - 040171

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Part #: 435886 Mfg Part #: 040171
$31.46

Yoshimura Spark Arrestor Insert (99 DB) for RS-4 (SA-10-K) Muffler Type - SA-10-K

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Part #: 435588 Mfg Part #: SA-10-K
$26.99

FMF Powercore 4 HEX Spark Arrestor Insert - 040670

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Part #: 436389 Mfg Part #: 040670
$35.99

(6)

FMF 1 1/8 in. PowerCore 4 Quiet Core Insert - 040630

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Part #: 435531 Mfg Part #: 040630
$26.96

DG 1 1/2 Inch Quiet Core Exhaust Insert - 98-51500

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Part #: 435753 Mfg Part #: 98-51500
$26.96

(1)

DG 1 Inch Quiet Core Exhaust Insert - 98-51000

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Part #: 435750 Mfg Part #: 98-51000
$26.96

Yoshimura Low-Volume Insert Kit - INS-08-K

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Part #: 435565 Mfg Part #: INS-08-K
$25.16

Yoshimura T.E.C Insert for TRC/TRS Exhaust - TEC-SB-A

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Part #: 433306 Mfg Part #: TEC-SB-A
$26.99

(7)

FMF Titanium Powercore Replacement Spark Arrestor - 040298

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Part #: 432780 Mfg Part #: 040298
$31.46

Yoshimura Spark Arrestor Kit - SA-04-K

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Part #: 434673 Mfg Part #: SA-04-K
$83.88

Akrapovic Spark Arrestor Set - P-SA022SET

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Part #: 4409425 Mfg Part #: P-SA022SET
$35.99

(6)

FMF Titanium Powercore Quiet Core Insert - 040288

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Part #: 432778 Mfg Part #: 040288
$13.49

(1)

Big Gun Screen Spark Arrester - 40-S003

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Part #: 436202 Mfg Part #: 40-S003
$19.79

FMF TI-4 Repl. Spark Arrester Screen - 040184

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Part #: 447679 Mfg Part #: 040184
$35.99

FMF Hex Q4 Quiet Core Spark Arrestor Insert - 040671

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Part #: 436390 Mfg Part #: 040671
$17.96

(4)

Yoshimura T.E.C Insert for RS-3 Exhaust - TEC-SB-B

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Part #: 433307 Mfg Part #: TEC-SB-B
$26.96

Yoshimura AMA Pro Legal Noise Reduction Insert for RS2 Muffler Type - INS-11-K

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Part #: 435238 Mfg Part #: INS-11-K
$31.46

Yoshimura Spark Arrestor Kit - SA-02-K

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Part #: 434671 Mfg Part #: SA-02-K
$26.96

Yoshimura Low-Volume Insert Kit - INS-07-K

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Part #: 435563 Mfg Part #: INS-07-K
$17.95

(2)

Pro Circuit Spark Arrestor Screen for 4-Stroke Silencers - PC4000-0000

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Part #: 431704 Mfg Part #: PC4000-0000
$31.46

(1)

Yoshimura Spark Arrestor Kit - SA-05-K

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Part #: 434674 Mfg Part #: SA-05-K
$25.19

(2)

FMF TI-4 Quiet Core Insert - 040177

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Part #: 447674 Mfg Part #: 040177
NEW

$34.95

Yoshimura Spark Arrester Kit for RS-9 Mufflers - SA-15-K

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Part #: 437473 Mfg Part #: SA-15-K
$71.99

FMF 4.1 RCT Spark Arrestor Insert - 040682

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Part #: 437108 Mfg Part #: 040682
$71.99

FMF Factory 4.1/4.1C/4.1RCT HEX Spark Arrestor Inserts - 040673

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Part #: 436391 Mfg Part #: 040673
$26.96

DG 1 3/8 Inch Quiet Core Exhaust Insert - 98-51375

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Part #: 435752 Mfg Part #: 98-51375
$26.96

DG 1 1/4 Inch Quiet Core Exhaust Insert - 98-51250

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Part #: 435751 Mfg Part #: 98-51250
$31.46

Yoshimura Spark Arrestor Insert (99 DB) for RS-2 (SA-12-K) Muffler Type - SA-12-K

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Part #: 435590 Mfg Part #: SA-12-K
$31.46

Yoshimura Spark Arrestor Kit - SA-08-K

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Part #: 435589 Mfg Part #: SA-08-K
$26.96

Yoshimura FIM-Legal Low-Volume Insert for RS-4 (INS-2M28-K) Muffler Type - INS-2M28-K

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Part #: 435564 Mfg Part #: INS-2M28-K
$26.96

(1)

Yoshimura Low-Volume Insert (99DB) for RS-4 (INS-10-K) Muffler Type - INS-10-K

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Part #: 435562 Mfg Part #: INS-10-K
$26.96

Yoshimura Low-Volume Insert (94DB) for RS-4 (INS-14-K) Muffler Type - INS-14-K

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Part #: 435561 Mfg Part #: INS-14-K

Viewing Results 1 - 38 of 45

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Viewing Results 1 - 38 of 45

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At Dennis Kirk, you will find the best selection of Dirt Bike Inserts & Spark Arrestor. We carry more Dirt Bike products than any other aftermarket vendor and have them all at the lowest guaranteed prices. Not only that, but we have them all in-stock and ready to ship to you today. Dennis Kirk has been the leader in the powersports industry since 1969, so you can rest assured that we have your back when it comes to bringing you the best Inserts & Spark Arrestor for your Dirt Bike. All orders over $89 receive Free shipping. Plus we have a no-hassle return policy, so you can shop with complete confidence at Dennis Kirk!