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2004-2006 Pontiac GTO Downpipe & Header Exhaust

2004-2006 Pontiac GTO Downpipe & Header Exhaust

Regular price $519.98 USD
Regular price Sale price $519.98 USD
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  • Ships direct from the brand or supplier
  • Tracking emailed when it ships
  • Free fitment check before you order

Listed for: 2004–2006 Pontiac GTO Downpipe & Header ExhaustFitment notes & questions

COMPATIBILITY: 2004-2006 Pontiac GTO

SURFACE FINISH: Brushed Silver

MATERIAL: T-304 Stainless Steel

TYPE: Catless Downpipe & Long Tube Header

DIAMETER: 3 Inches

FEATURES:

Direct bolt-on design for 2004–2006 Pontiac GTO LS1/LS2 engines

3" mandrel-bent stainless steel piping for maximum exhaust flow and durability

Long tube header design improves scavenging and reduces backpressure for better performance

Catless downpipes eliminate restrictive factory catalytic converters for increased horsepower and aggressive sound

Upgrade your Pontiac GTO’s exhaust performance with this high-flow 3" long tube header and catless downpipe combo, designed specifically for the 2004–2006 LS1 and LS2 models. The long tube headers are constructed from high-grade stainless steel with CNC-machined flanges and smooth mandrel bends to maximize exhaust flow and reduce backpressure. Paired with the 3" catless downpipes, this setup eliminates the restrictive factory catalytic converters for increased horsepower, torque, and a more aggressive exhaust note. Designed for off-road and track use, this system is ideal for performance builds looking to unlock the full potential of the LS powerplant.

  • Due to California Vehicle Code Section 27156, we are not able to ship this item to any CA Address ( Order will be Cancelled for ALL CA Address )
  • This Item is Designed for Off-Road Use ONLY - Might Cause a CEL Check Engine Light.

Professional Installation is HIGHLY Recommended!

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Exhaust manifold for the Pontiac GTO Downpipe & Header Exhaust: what to know

Cracked manifolds and broken studs cause ticking exhaust leaks, often worst when the engine is cold.

Fitment notes

  • Listed for: 2004–2006 Pontiac GTO Downpipe & Header Exhaust.
  • Model years: 2004–2006. Parts can change mid-generation, so match the exact year.
  • Specs, lead time and warranty come from the manufacturer and supplier and can change. The details above this guide are the latest we have.

Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.

Ask about fitment

What else to plan for

More for your car: Exhaust Pipes & Tailpipes · Pontiac Parts · All Exhaust Manifolds · Exhaust

Questions about Pontiac GTO Downpipe & Header Exhaust exhaust manifold

Will this fit my Pontiac GTO Downpipe & Header Exhaust?
It is listed for the 2004–2006 Pontiac GTO Downpipe & Header Exhaust. Check your year, model, engine and trim against the title and details above. If anything is different, contact us and we will confirm fitment before you order.
Why is my exhaust ticking?
A cracked manifold or leaking gasket is a common cause.
Where do specs and warranty details come from?
From the manufacturer. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.