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This aluminum velocity stack is designed specifically for Weber 32/36 DGV, DGAV, and DGAS Carburetors. Dyno tests show increases of 1.5 horsepower on both FF1600 and F2000/S2000 engines with no jetting changes.
This air horn assembly extends a total of 3.25 inches above the carburetor top plate surface. The cold-start choke assembly (choke plates and shaft) must be removed for this airhorn to fit. A 4-bolt flange allows you to mount your K&N or Pipercross air filter base plate (sold separately) directly to the air horn assembly. No hardware is included.
Dimensions:
Top of airhorn to carb top plate surface: 3.25"
Top of airhorn to carb top plate projection horn (highest point on carb): 2.625"
Top of airhorn to 4-bolt airhorn flange bottom surface: 2.175"
Airhorn flange thickness: 0.188"
Length at top of airhorn: 5.25"
Width at top of airhorn: 3.375"
Note: Not SCCA legal for IT classes.
