Fragola -10AN Male Weld Bung 2003-pontiac-sunfire-esi1004956 Full 1-7/8" Port-Matched Primary Tubes

Full 1-7/8" Port-Matched Primary Tubes with Merge Spikes — Maximum flow from cylinder head to collector for aggressive Coyote swap performance

1999-2000 Chevrolet C3500 Base 1988-1998 Chevrolet C3500 Cheyenne 1999-2000 Chevrolet C3500 LS 1988-1992 Chevrolet C3500 Scottsdale 1988-1998 Chevrolet C3500 Silverado 1997-2001 Chevrolet Express 2500 Base 1997-2001 Chevrolet Express 2500 LS 1996-2002 Chevrolet Express 3500 Base 1996-2002 Chevrolet Express 3500 LS 1994-1999 Chevrolet K1500 Suburban Base 1995-1999 Chevrolet K1500 Suburban LS 1995-1997

ALL99610 is a single main hoop for an 8-point cage

B&M Fits GM TH350

raise EGTs

Fragola -10AN Male Weld Bung 2003-pontiac-sunfire-esi1004956 Full 1-7/8" Port-Matched Primary TubesFragola 10AN Male Weld Bung