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Rev Boxes

Shop Big Gun Over Rev Boxes (CDI boxes) designed to replace the stock CDI and increase RPM limit with an advanced timing curve for stronger throttle response. Find the right rev box for your ATV or off-road machine and unlock higher rev potential with a direct plug-in upgrade.

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Rev Box - Honda TRX 400EX (99-04)

Rev Box - Honda TRX 400EX (99-04)

$183.64
916
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Honda ATV Exhaust Parts Honda TRX 400EX Exhaust Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Suzuki LTZ 400 Quadsport (05-08)

Rev Box - Suzuki LTZ 400 Quadsport (05-08)

$267.17
944
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Power Boxes and Rev Boxes Rev Boxes Suzuki ATV Exhaust Parts
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Can Am DS 650 Baja (02-05)

Rev Box - Can Am DS 650 Baja (02-05)

$267.17
911
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Can Am ATV Exhaust Parts Dealer Discountable Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock DS 650 Baja CDI box, the Big Gun Over Rev Box is an affordable alternative...
Rev Box - Honda TRX 450R (04-05)

Rev Box - Honda TRX 450R (04-05)

$267.17
919
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Honda ATV Exhaust Parts Honda TRX 450R Exhaust Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out the stock CDI box on your Honda TRX 450R, the Big Gun Over Rev Box is an...
Rev Box - Yamaha TTR 125 / LEX / EX / LX (01-24)

Rev Box - Yamaha TTR 125 / LEX / EX / LX (01-24)

$267.17
905
All ATV Parts & Exhaust Dealer Discountable Dirt Bike Exhaust Systems & Slip-On Mufflers Dirt Bike Rev Boxes Power Boxes and Rev Boxes Rev Boxes Yamaha ATV Exhaust Parts Yamaha Dirt Bike Exhaust
If you are looking to swap out the stock Yamaha TTR 125 CDI box, the Big Gun Over Rev Box is an affordable alternative...
Rev Box - Yamaha Raptor 50 (04-08)

Rev Box - Yamaha Raptor 50 (04-08)

$267.17
961
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Power Boxes and Rev Boxes Rev Boxes Yamaha ATV Exhaust Parts
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Honda CRF 450R (04-06)

Rev Box - Honda CRF 450R (04-06)

$267.17
890
All ATV Parts & Exhaust Dealer Discountable Dirt Bike Exhaust Systems & Slip-On Mufflers Dirt Bike Rev Boxes Honda ATV Exhaust Parts Honda CRF 450R Exhaust Honda Dirt Bike Exhaust Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Honda TRX 400EX (05-07)

Rev Box - Honda TRX 400EX (05-07)

$267.17
917
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Honda ATV Exhaust Parts Honda TRX 400EX Exhaust Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Yamaha Raptor 250 (08-12)

Rev Box - Yamaha Raptor 250 (08-12)

$267.17
945
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Power Boxes and Rev Boxes Rev Boxes Yamaha ATV Exhaust Parts
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Suzuki LTZ 400 Quadsport (03-04)

Rev Box - Suzuki LTZ 400 Quadsport (03-04)

$267.17
943
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Power Boxes and Rev Boxes Rev Boxes Suzuki ATV Exhaust Parts
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Polaris Outlaw 525 / S / IRS (07-11)

Rev Box - Polaris Outlaw 525 / S / IRS (07-11)

$267.17
941
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Polaris Polaris ATV Exhaust Parts Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Kawasaki KFX 400 (05-07)

Rev Box - Kawasaki KFX 400 (05-07)

$267.17
922
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Kawasaki ATV Exhaust Parts Kawasaki KFX 400 Exhaust Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Honda TRX 300EX (93-06)

Rev Box - Honda TRX 300EX (93-06)

$267.17
915
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Honda ATV Exhaust Parts Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Yamaha Raptor 80 (02-08)

Rev Box - Yamaha Raptor 80 (02-08)

$267.17
963
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Power Boxes and Rev Boxes Rev Boxes Yamaha ATV Exhaust Parts
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Can Am DS 650 (00-02)

Rev Box - Can Am DS 650 (00-02)

$267.17
909
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Can Am ATV Exhaust Parts Dealer Discountable Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock DS 650 CDI box, the Big Gun Over Rev Box is an affordable alternative to...
Rev Box - Honda CRF 230F (03-17)

Rev Box - Honda CRF 230F (03-17)

$153.29
1012
All ATV Parts & Exhaust Dealer Discountable Dirt Bike Exhaust Systems & Slip-On Mufflers Dirt Bike Rev Boxes Honda ATV Exhaust Parts Honda Dirt Bike Exhaust Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock Honda CRF 230F CDI box, the Big Gun Over Rev Box is an affordable alternative...
Rev Box - Polaris Predator 500 (03-04)

Rev Box - Polaris Predator 500 (03-04)

$267.17
925
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Polaris Polaris ATV Exhaust Parts Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Yamaha Raptor 660 (04-05)

Rev Box - Yamaha Raptor 660 (04-05)

$267.17
950
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Power Boxes and Rev Boxes Rev Boxes Yamaha ATV Exhaust Parts Yamaha Raptor 660 Exhaust
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Polaris Predator 500 (05-07)

Rev Box - Polaris Predator 500 (05-07)

$267.17
926
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Polaris Polaris ATV Exhaust Parts Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Suzuki LTZ 90 Quadsport (07-26)

Rev Box - Suzuki LTZ 90 Quadsport (07-26)

$334.04
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Power Boxes and Rev Boxes Rev Boxes Suzuki ATV Exhaust Parts
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Yamaha Raptor 90 (09-12)

Rev Box - Yamaha Raptor 90 (09-12)

$334.04
964
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Power Boxes and Rev Boxes Rev Boxes Yamaha ATV Exhaust Parts
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Yamaha Raptor 660 (02-03)

Rev Box - Yamaha Raptor 660 (02-03)

$267.17
949
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Power Boxes and Rev Boxes Rev Boxes Yamaha ATV Exhaust Parts Yamaha Raptor 660 Exhaust
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Can Am DS 650 (03-07)

Rev Box - Can Am DS 650 (03-07)

$267.17
910
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Can Am ATV Exhaust Parts Dealer Discountable Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock DS 650 CDI box, the Big Gun Over Rev Box is an affordable alternative to...
Rev Box - Honda CRF/XR 100 (All Years)

Rev Box - Honda CRF/XR 100 (All Years)

$153.29
All ATV Parts & Exhaust Dealer Discountable Dirt Bike Exhaust Systems & Slip-On Mufflers Dirt Bike Rev Boxes Honda ATV Exhaust Parts Honda CRF / XR 50, 70, 80 & 100 Exhaust Honda Dirt Bike Exhaust Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Suzuki DR-Z 400S (01-07)

Rev Box - Suzuki DR-Z 400S (01-07)

$267.17
899
All ATV Parts & Exhaust Dealer Discountable Dirt Bike Exhaust Systems & Slip-On Mufflers Dirt Bike Rev Boxes Dual-Sport & Adventure Bike Exhaust Power Boxes and Rev Boxes Rev Boxes Suzuki ATV Exhaust Parts Suzuki Dirt Bike Exhaust
If you are looking to swap out the stock CDI box on your Suzuki DR-Z 400S, the Big Gun Over Rev Box is an...
Rev Box - Yamaha Grizzly 660 (02-08)

Rev Box - Yamaha Grizzly 660 (02-08)

$334.04
955
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Power Boxes and Rev Boxes Rev Boxes Yamaha ATV Exhaust Parts
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Kawasaki KFX 400 (03-04)

Rev Box - Kawasaki KFX 400 (03-04)

$267.17
921
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Kawasaki ATV Exhaust Parts Kawasaki KFX 400 Exhaust Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Arctic Cat 500 (03-06)

Rev Box - Arctic Cat 500 (03-06)

$267.17
906
All ATV Parts & Exhaust Arctic Cat ATV Exhaust Parts ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock Arctic Cat 500 CDI box, the Big Gun Over Rev Box is an affordable alternative...
Rev Box - Kawasaki Teryx 750 (2008)

Rev Box - Kawasaki Teryx 750 (2008)

$334.04
924
All ATV Parts & Exhaust Dealer Discountable Kawasaki ATV Exhaust Parts Kawasaki UTV Exhaust Power Boxes and Rev Boxes Rev Boxes UTV Exhaust Systems, Slip-On Mufflers & Tuners
If you are looking to swap out the stock CDI box on your 2008 Kawasaki Teryx 750, the Big Gun Over Rev Box is...
Rev Box - Honda XR 400 (99-04)

Rev Box - Honda XR 400 (99-04)

$267.17
892
All ATV Parts & Exhaust Dealer Discountable Dirt Bike Exhaust Systems & Slip-On Mufflers Dirt Bike Rev Boxes Dual-Sport & Adventure Bike Exhaust Honda ATV Exhaust Parts Honda Dirt Bike Exhaust Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out the stock CDI box on your Honda XR 400, the Big Gun Over Rev Box is an...
Rev Box - Yamaha Warrior 350 (97-01)

Rev Box - Yamaha Warrior 350 (97-01)

$267.17
954
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Power Boxes and Rev Boxes Rev Boxes Yamaha ATV Exhaust Parts
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Yamaha Raptor 350 (04-13)

Rev Box - Yamaha Raptor 350 (04-13)

$267.17
946
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Power Boxes and Rev Boxes Rev Boxes Yamaha ATV Exhaust Parts
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Suzuki LTZ 250 (04-09)

Rev Box - Suzuki LTZ 250 (04-09)

$267.17
942
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Power Boxes and Rev Boxes Rev Boxes Suzuki ATV Exhaust Parts
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Honda TRX 300EX (07-09)

Rev Box - Honda TRX 300EX (07-09)

$267.17
914
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Honda ATV Exhaust Parts Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Honda TRX 250EX / TE (01-11)

Rev Box - Honda TRX 250EX / TE (01-11)

$267.17
912
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Honda ATV Exhaust Parts Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Yamaha YZ 450F (03-06)

Rev Box - Yamaha YZ 450F (03-06)

$267.17
904
All ATV Parts & Exhaust Dealer Discountable Dirt Bike Exhaust Systems & Slip-On Mufflers Dirt Bike Rev Boxes Power Boxes and Rev Boxes Rev Boxes Yamaha ATV Exhaust Parts Yamaha Dirt Bike Exhaust Yamaha YZ 450F Exhaust
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Honda XR 650R (00-07)

Rev Box - Honda XR 650R (00-07)

$267.17
893
All ATV Parts & Exhaust Dealer Discountable Dirt Bike Exhaust Systems & Slip-On Mufflers Dirt Bike Rev Boxes Dual-Sport & Adventure Bike Exhaust Honda ATV Exhaust Parts Honda Dirt Bike Exhaust Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Kawasaki KFX 700 (04-09)

Rev Box - Kawasaki KFX 700 (04-09)

$334.04
923
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Kawasaki ATV Exhaust Parts Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out the stock CDI box on your Kawasaki KFX 700, the Big Gun Over Rev Box is an...
Rev Box - Honda CRF/XR 70 (All Years)

Rev Box - Honda CRF/XR 70 (All Years)

$153.29
All ATV Parts & Exhaust Dealer Discountable Dirt Bike Exhaust Systems & Slip-On Mufflers Dirt Bike Rev Boxes Honda ATV Exhaust Parts Honda CRF / XR 50, 70, 80 & 100 Exhaust Honda Dirt Bike Exhaust Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Honda CRF 450R (02-03)

Rev Box - Honda CRF 450R (02-03)

$267.17
891
All ATV Parts & Exhaust Dealer Discountable Dirt Bike Exhaust Systems & Slip-On Mufflers Dirt Bike Rev Boxes Honda ATV Exhaust Parts Honda CRF 450R Exhaust Honda Dirt Bike Exhaust Power Boxes and Rev Boxes Rev Boxes
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Yamaha Warrior 350 (02-04)

Rev Box - Yamaha Warrior 350 (02-04)

$267.17
953
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Power Boxes and Rev Boxes Rev Boxes Yamaha ATV Exhaust Parts
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
Rev Box - Suzuki LTZ 50 Quadsport (07-26)

Rev Box - Suzuki LTZ 50 Quadsport (07-26)

$334.04
960
All ATV Parts & Exhaust ATV Exhaust Systems, Slip-On Mufflers & Tuners Dealer Discountable Power Boxes and Rev Boxes Rev Boxes Suzuki ATV Exhaust Parts
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...
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