These Flowtech cast iron exhaust manifolds have a 2.25 inch outlet, natural cast finish and are designed to hug close to the engine block so they fit into a wide variety of replacement and engine-swap applications at a budget friendly price. Being cast...

Stainless Works 2004 GTO headers. CNC mandrel bent 1 3/4" primaries, , CNC laser cut 3/8" flanges, 3" collector. Includes 3" pipes to connect to factory 2 bolt flange. High flow metal matrix converters. The best GTO headers available-used by GM on their...

Stainless Works 2005-06 GTO headers. CNC mandrel bent 1 3/4" primaries, , CNC laser cut 3/8" flanges, 3" collector. Includes 3" pipes to connect to factory 2 bolt flange. Includes 3" High Flow Cats. The best GTO headers available-used by GM on their...

LSx Exhaust Manifold Header Bolts Set of 12 LS1/LS6/LS2/LS3/LS7 25mm Long These are a great replacement for the factory manifold bolts, and will work with aftermarket headers as well. They are a much higher quality bolt than comes with most header sets,...

Flowtech LS Turbo Headers-Polished LS Turbo Headers (Up and forward) 1-7/8" 304SS GM 4.8/5.3/6.0L V8 Polished Finish OVERVIEW: Flowtech Headers are the perfect combination of quality and value. These “4 to 1” LS Turbo headers available in...

Flowtech LS Turbo Headers-Polished LS Turbo Headers (Up and forward) 1-3/4" 304SS GM 4.8/5.3/6.0L V8 Polished Finish   OVERVIEW: Flowtech Headers are the perfect combination of quality and value. These “4 to 1” LS Turbo headers...

Flowtech LS Turbo Headers-CERAMIC COATED LS Turbo Headers (Up and forward) 1-7/8" 409SS GM 4.8/5.3/6.0L V8 Ceramic Coated   OVERVIEW: Flowtech Headers are the perfect combination of quality and value. These “4 to 1” LS Turbo headers...

Flowtech LS Turbo Headers-Natural Finish LS Turbo Headers (Up and forward) 1-7/8" 409SS GM 4.8/5.3/6.0L V8 Natural Finish   OVERVIEW: Flowtech Headers are the perfect combination of quality and value. These “4 to 1” LS Turbo headers...

Flowtech LS Turbo Headers-Ceramic Coated LS Turbo Headers (Up and forward) 1-3/4" 409SS GM 4.8/5.3/6.0L V8 Ceramic Coated OVERVIEW: Flowtech Headers are the perfect combination of quality and value. These “4 to 1” LS Turbo headers...

FLOWTECH LS TURBO HEADERS-NATURAL FINISHLS Turbo Headers (Up and forward) 1-3/4" 409SS GM 4.8/5.3/6.0L V8 Natural Finish Flowtech Headers are the perfect combination of quality and value. These “4 to 1” LS Turbo headers available in...

American Racing GTO 2004-06 LS1/LS2 1 7/8" x 3" Headers, 3" X-Pipe & Connection Pipe, No Cats. American Racing now offers the 2004-06 GTO Header Systems. Manufactured using the highest quality US made 304 stainless steel, includes...

American Racing GTO 2004-06 LS1/LS2 1 7/8" x 3" Headers, 3" X-Pipe & Connection Pipe, With Cats. American Racing now offers the 2004-06 GTO Header Systems. Manufactured using the highest quality US made 304 stainless steel,...