Stainless Works 08-09 Pontiac G8 GT Headers 1-7/8in Primaries 3in Leads Performance Connect w/ Cats

2008-09 Pontiac G8 GT 6.0L Headers. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. Starting with a CNC cut 3/8" thick flanges into 1-7/8" diameter primaries, Flow into 3" slip-fit collectors with a merge spike, then fitting onto a set of 3" high-flow catalytic converters then flows into a set of Performance connection leads with 3" outlets and 1/2" wire hangers welded on to fit into the same hanger locations. These leads connect to the Performance exhaust. All Header bolts, RTV, Dipstick spacer, Clamps and install instructions all included that are needed to complete the install. These are Mill finish, All TIG welded for strength and durability. These kits come with a lifetime warranty and proudly made in the USA.

Additional Information

2008-09 Pontiac G8 GT 6.0L Headers. All tubes are CNC mandrel bent for optimal flow. 1-7/8" primaries, 3" slip-fit collectors then fitting in to 3" high-flow cats. This performance Connect system goes with our Stainless Works (P/N PG8CB).

Part Type

Exhaust Header Pipe Kit

Note for Australian and European Markets

Unless otherwise stated, this product may be engineered for use in Left-Hand Drive vehicles. Steering components, pedals, shifters, linkages, wing mirrors, instrument clusters, panhard rods/traction bars, drag links, brake boosters, brake or clutch lines, accelerator cables, heater cores, some master cylinders and adjacent parts can vary between LHD and RHD configurations. In some models compenents such as windscreen wiper arms, motors and linkages could differ in their size and orientation. Items such as floor mats & dash mats may have differences in their structure around the front row (or padding in different locations). In many cases items are identical depending on the design of the vehicle and part, but may have differing mounts, lengths or bolt patterns. Carefully review the product images and details to ensure suitability for your vehicle, or contact StreetFX support if you are unsure. Returns are not accepted for special order products.

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Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Pontiac G8 GT 2008-09 Headers 1-7/8" High-Flow Cats Performance

Gain powerful sound, better performance, and improved mileage with a set of Stainless Works performance headers. Constructed from high-quality 304L stainless steel, the headers are CNC mandrel-bent and have durable 3/8 in. thick flanges. They're available to fit the factory connection point, or attach to a custom Stainless Works cat-back exhaust. Order the style you prefer and the model designed for your year/make and engine application.