Proform Fits GM LS Engines with 3/8" Wide Flange 66826 1990-dodge-spirit-esi3207331 50-inch aluminized steel inlet pipes

50-inch aluminized steel inlet pipes flowing into a pair of 50 Series™ Delta Flow® mufflers for maximum performance and a mellow but powerful sound

1998 Chevrolet K2500 WT 1977-1981 Chevrolet K30 Cheyenne 1981-1986 Chevrolet K30 Custom 1977-1980 Chevrolet K30 Custom Deluxe 1981 Chevrolet K30 Deluxe 1977-1986 Chevrolet K30 Scottsdale 1977-1986 Chevrolet K30 Silverado 1968-1974 Chevrolet K30 Pickup Base 1994-1997

Year Make Model Submodel 1995-2001 Ford Explorer Eddie Bauer 1995 Ford Explorer Expedition 1995-2001 Ford Explorer Limited 2000-2001 Ford Explorer Postal 1995-2000 Ford Explorer Sport 1995-1999 Ford Explorer XL 2000-2001 Ford Explorer XL Fleet 1999-2001 Ford Explorer XLS 1995-2001 Ford Explorer XLT 2001-2002 Ford Explorer Sport Base 2003 Ford Explorer Sport XLS 2003 Ford Explorer Sport XLT 2005 Ford Explorer Sport Trac Adrenalin 2001 Ford Explorer Sport Trac Base 2002 Ford Explorer Sport Trac XL 2003-2005 Ford Explorer Sport Trac XLS 2003-2005 Ford Explorer Sport Trac XLT 2001-2005 Ford Ranger Edge 1998-2002 Ford Ranger EV 2005-2009 Ford Ranger FX4 2002 Ford Ranger Postal 1998 Ford Ranger Splash 2006-2011 Ford Ranger Sport 2005-2007 Ford Ranger STX 2004 Ford Ranger Tremor 1998-2011 Ford Ranger XL 1998-2011 Ford Ranger XLT 2002-2009 Mazda B2300 Base 2001

LT engines only — compatible with 5

This system includes a single dry nozzle (no fuel)

Proform Fits GM LS Engines with 3/8" Wide Flange 66826 1990-dodge-spirit-esi3207331 50-inch aluminized steel inlet pipesEach PROFORM Grade 8 Header Bolt is permanently assembled with a pair of special washers. When the bolt is torqued to 28+ ft lbs, the washers super hardened external teeth bite into and grip the bottom of the bolt head and the top surface of the header. After being self locked in this manner, any bolt loosening rotation is blocked by a wedge locking action created by the washers interfacing, matching cams. Its an uphill climb: vibration that might