"98 -"02  LS1 F-Body, 18" O2 Extension*Part#: 135-O2EXT-4S-18This is a plug-and-play extension and does not require any cutting or splicing. However, some manufacturers' long tube headers need these 18" extensions to give the factory 02 sensor...

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...

Based on the original concept of chambered exhaust that first appeared on high performance GM vehicles of the 1960’s, chambered exhaust produces a very unique & aggressive note. Now available these chambered mufflers can be added to your...

Stainless Works, LS1 Down and Forward Turbo Headers. Header flanges are made with 3/8" thick 304 SS and tubing is .065 wall 304 SS with 1-3/4" Primaries and 3" Slip Fit Collectors. Headers are fully tig welded and back purged.

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...

  Hooker LSX Cast Iron Exhaust Manifolds, Black Ceramic Coated       Hooker cast iron exhaust manifolds have been designed to hug close to the engine block so they fit into a wide variety of replacement and engine–swap...

Hooker LSX Cast Iron Exhaust Manifolds, Bare     Hooker cast iron exhaust manifolds have been designed to hug close to the engine block so they fit into a wide variety of replacement and engine–swap applications. Their contoured design...