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Discussion Starter · #1 ·
Please feel free to ask us anything about our products for the Trailblazer and Envoy. We currently have Air systems for the 5.3/6.0 and the 4.2. All our air systems are stainless and come with reusable air filters. We also have stock replacement headers for the 5.3/6.0 that will be 50 state legal. The header are 1.75 and come ceramic coated. We also have a cover for the fuse box in stainless and our working on covers for other parts of the car. Again thank you for your interest!

www.macperformance.com
 

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stock replacement headers? So, you're just coating the manifolds, or are you actually making headers?

I have your headers on my camaro and absolutely loved them, great durable coating, still look new 4 years later, and perfect fit and application.

If you need an SS to make up some headers for production, I call dibs, just let me know when!!

-Ryan
 

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2002 chevy trailblazer_ls
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Have you guys looked into a header for the 4.2 I6 LL8 engine?
and WELCOME to the site.
 

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So when you coming out with a true dual cat-back system for 2007 SS. I had MAC 3in full exhaust on my 92 mustang and would always get compliments on the sound.:D
 

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2003 chevy trailblazer_lt_ext
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Welcome to the site guys!
 

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Discussion Starter · #8 ·
Upcoming products

Thanks again for all responses and we appreciate your input.

Things we currently have in production:
1.75" Headers for stock y-pipe for 5.3/6.0
Stainless air system for 5.3/6.0 and 06-07 4.2L Inline Six
Stainless polished fuse box cover

Things we are prototyping:
Headers for 4.2L currently being fabricated, flanges laser cut and ready to put on vehicle to make primaries.
Cat Back for both the SS and 5.3/4.2 (Dual for SS and single for others)

If you have any other questions don't hesitate!
 

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2002 chevy trailblazer_ls
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Things we are prototyping:
Headers for 4.2L currently being fabricated, flanges laser cut and ready to put on vehicle to make primaries.
Any other info on it? Possible gains and or pricing or am I jumping the gun?

thanks for any info.
 

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Discussion Starter · #14 ·
Headers for 4.2L

We are currently working on them on an 06. As soon as we get them done I will post a pic and dyno figures.

Thanks for your inquiries!
 

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2004 chevy trailblazer_lt_ext
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We are currently working on them on an 06. As soon as we get them done I will post a pic and dyno figures.

Thanks for your inquiries!
Will the 06 version 4.2L headers also fit earlier years? And when you make a cat-back, make it so that you guys can send me an extra length of pipe to fit my EXT. :yes:
 

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Things we currently have in production:
1.75" Headers for stock y-pipe for 5.3/6.0


I can't find any information for these on your website. What can you tell us about them for the 6.0 guys? Price? Gains? Shipping?
 

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Thanks again for all responses and we appreciate your input.

Things we currently have in production:
1.75" Headers for stock y-pipe for 5.3/6.0
Stainless air system for 5.3/6.0 and 06-07 4.2L Inline Six
Stainless polished fuse box cover

Things we are prototyping:
Headers for 4.2L currently being fabricated, flanges laser cut and ready to put on vehicle to make primaries.
Cat Back for both the SS and 5.3/4.2 (Dual for SS and single for others)

If you have any other questions don't hesitate!
What is the part number for the SS headers? Is there a page for this because I cannot find it on your site?
 

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2006 chevy trailblazer_lt
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Do you guys do tunes as well? If so, do you have a 2006 LH6 V8 tune?

Thanks,
Steve
 
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