Top 4 TFI Power Box – Automotive

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1. Big Gun Exhaust

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Big Gun Exhaust TFI Power Box for 15-19 Polaris SPORTS1000XP

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Big Gun Exhaust #ad - New third generation technology. Installs in minutes. Improves throttle response. No computer needed to adjust EFI. Increases horsepower.
BrandBig Gun Exhaust #ad
ManufacturerBig Gun #ad
Height6 Inches
Length8 Inches
Weight1 Pounds
Width8 Inches
Part Number40-R54N
Model40-R54N

2. Big Gun Exhaust

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Big Gun Exhaust TFI Power Box for 08-14 Kawasaki KFX450R

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Big Gun Exhaust #ad - Improves throttle response. Increases horsepower. New third generation technology. No computer needed to adjust EFI. Installs in minutes.
BrandBig Gun Exhaust #ad
ManufacturerBig Gun #ad
Height8 Inches
Length8.1 Inches
Weight1 Pounds
Width8 Inches
Part Number40R53

3. Big Gun Exhaust

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Big Gun Exhaust Systems TFI Power Box

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Big Gun Exhaust #ad - No computer needed to adjust EFI. Installs in minutes. Improves throttle response. New third generation technology. Increases horsepower.
BrandBig Gun Exhaust #ad
ManufacturerBig Gun #ad
Height8 Inches
Length8.1 Inches
Weight1 Pounds
Width8.1 Inches
Part Number40R54G

4. Big Gun Exhaust

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Big Gun TFI Power Box for 07-10 Honda TRX420R4X4

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Big Gun Exhaust #ad - No computer needed to adjust EFI. Increases horsepower. Installs in minutes. New third generation technology. Improves throttle response.
BrandBig Gun Exhaust #ad
ManufacturerBig Gun #ad
Height2.5 Inches
Length8 Inches
Weight0.3 Pounds
Width6 Inches
Part Number40R52B