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Home » Pontiac G8 (2008+) » Headers » Long Tube Headers » K6712
 Kooks Custom Headers
 
Kooks Long Tube Header System (1 7/8"x 3") - 2008+ Pontiac G8 GT
Part #: K6712
 
Kooks Custom Headers
 
Sale Price: $789.75  (Normally $877.50, you save $87.75! )
Standard Shipping: FREE
Flat rate shipping cost is to anywhere in the 48 contiguous US states. Contact us before purchase for HI and AK shipping rates.
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Add Kooks Axleback at Discount!:
Choose Kooks High Flow X-pipe:
Optional Header Coating:
X-pipe Coated too?:
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  Product Info

Now In Stock! 

 

See this system in action here-

http://www.kookstv.com/video/6575

 

MarylandSpeed is excited to be the first vendor to offer and stock Kooks new exhaust system for the Pontiac G8 GT! This new system includes Long Tube Headers (1 3/4" or 1 7/8"), High Flow X-pipe (catted or off road), and optional axleback exhaust. As always, we are excited to offer great package prices, discounted coating, and unmatched service. Note: 1 3/4" headers are pictured.

 

Long Tube Headers-

These 304 stainless steel long tube headers are for the 2008+ Pontiac G8 GT. Kooks builds all of their products to the highest standard, and these are possibly the best headers you can buy for your G8. They feature 1 7/8" primaries, and 3" high velocity merge collectors with O2 Bugs welded in. The 1 7/8" size is ideal for applications greater than 500 rwhp . Lesser modded cars should consider 1 3/4" headers (PT# 6711) for best performance. With a proper tune at a dyno shop these headers are good for 20-35HP depending on the vehicle.

 

High Flow X-pipe-

  

Your new headers are much longer than your factory manifolds. Because of this, you must purchase a new, shorter, Kooks X-pipe to connect your new headers to your factory/aftermarket axleback exhaust. The Kooks X-pipe is a 3" x 2.5" full length design. It can be ordered with high flow cataytic converters (PT#6711-CX) or off road style without cats (PT#6712-OX). These X-pipes are the best design on the market and feature flex joints to reduce any harshness or drone from the G8's MDS system. Both are made of 304 stainless steel and engineered to the same high standard as Kooks other products!

 

Axleback Exhaust-

Buy as a Package and Save!

 

This Kooks header/X-pipe system will bolt to your factory axleback/mufflers just fine. However if you want a more aggressive tone, Kooks also offers an all 304 Stainless Axleback system (PT# 6718). This 2.5" System features Kooks own quad core race mufflers. These mufflers product an agressive yet refined tone. The system ends beautifully with 4" double wall oval tips that look right at home in the G8's rear valance! If you buy the complete system from MarylandSpeed (Headers, X-pipe, and axleback) you get an awesome package price!

What Sets Kooks Apart?

Kooks is known for building the best high end consumer headers in the world. This header is constructed with the below high end features!

  • Tig welded with all 304 (aircraft grade) mandrel bent stainless steel construction

  • Integrated venturi merge spike for better savaging and less collector turbulence

  • Primaries blended into the flange for better flow

  • Leak Proof Ball Flange collector for trouble free ownership.

  • Each primary tube is one continuous piece of tubing. Some competitors weld several pieces of tubing to create one primary, which is a weaker design.

Quite simply...there is not a better header on the market!

 

Includes O2 Extenders, along with all bolts and gaskets needed for installation (2 stock O2 wires are reused during installation).  

  Which Header Size Should you Choose?
The 1 3/4" headers work are great for all but the most extreme applications. Unless you have nitrous, a supercharger or extreme internal engine work, you may actually see a decrease in performance with the 1 7/8" header due to lack of back pressure. Also please note that a professional tune is recommended to help your engine fully make use of the headers.
   Add Coating to These Headers-

 We offer the following standard coating options

Important Note: Jet Hot will be soon phasing out their 1300 degree line of coatings. Because of this, we are now offering the 1700 degree "Extreme" line of coatings in their place for the SAME PRICE (a $50 savings)!

  • (FREE UPGRADE!) Your choice of Jet Hot's Extreme Sterling 1700 Degree Coating, or any of Precision Motorsports of Florida Coating for the low price of $139.95!  
  • We also offer the option to coat the X-pipe for $169.95 more. This is a very large X-pipe, which is why the coating costs so much.
  • Also available at additional cost is Jet Hot's 1700 degree Extreme colored coatings, and Jet Hot 2000 Coatings (see links below for details and pictures)
  • If for some reason you must have a 1300 degree coating, please not it in the order comments field at checkout. There are not cost savings by downgrading your coating.

Click Links Below for Details and Pictures!

 

About Kooks Custom Headers- 

Since 1962, Kooks has earned the reputation of making the highest quality and best performing headers and exhaust systems.  Kooks uses only the best quality materials and the most precise team of fabricators to manufacture their headers.

MarylandSpeed is a Warehouse level Kooks vendor which allows us to offer awesome service, and the best prices on all their products!

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