My Manzo header install - Pontiac G8 Forum: G8 Forums - G8Board.com
Exhaust Tech Headers, Catbacks, Mufflers, lack of mufflers

 
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post #1 of 16 (permalink) Old 08-19-2016, 07:23 PM Thread Starter
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My Manzo header install

After reading I decided to bite the bullet and try the Manzo headers.











Well here is where I left the vehicle tonight






Let's see what tomorrow brings. This is not factory exhaust I have Magnaflow cat back on the car.
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post #2 of 16 (permalink) Old 08-19-2016, 11:02 PM
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My pypes were fairly straight forward to fit. I little sloppy welds but for the price no complaints.

[SIGPIC][/SIGPIC]K&N CAI, Pypes headers, Solo HFC's,Solo axle backs, Custom tune, FE3 Struts & Shocks, White line bushings & bearings, Rear Cradle inserts, Moog end links.Little lunati cam,SLP 25 %UDP, AC tensioner upgrade.15% tint.12" sub woofer with amp.Future upgrade Power slot rotors & posi quiet pads.


V6 Spectre CAI, Original Overkill tune,FE3 Struts & Shocks, White line bushings & bearings, BMR Rear Cradle inserts, Moog end links.12" sub woofer with amp.
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post #3 of 16 (permalink) Old 08-20-2016, 04:37 AM Thread Starter
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Yea I'm l wasn't expecting perfect finish on the welds or anything but was hoping they bolt right up but this is to a Magnaflow cat back which is probably why. I'm going to bring the car to local exhaust shop that does all my work see what they can do
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post #4 of 16 (permalink) Old 08-20-2016, 11:36 AM
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Did you tighten the header at the head already?

Loosen the bolts at the head then get the catback flange bolts started. Then tighten everything.
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post #5 of 16 (permalink) Old 08-20-2016, 12:29 PM Thread Starter
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The flanges do not line up at all, just got it back from the exhaust shop they fixed it for me

2009 G8 GT Liquid Red, red/onyx interior, VCM cold air intake, PCM of NC tune, shark fin antenna, 2016 20" Camaro SS wheels powder coated black, Chevy SS Brembo brakes, Russell stainless steel brake lines, stainless works 1 7/8" long tube headers, stainless works 3" cat back, Camaro 3.27 LSD rear diff, ADD W-1 oil catch can, B&M trans cooler, auto dim interior rear view mirror
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post #6 of 16 (permalink) Old 08-20-2016, 07:08 PM Thread Starter
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Got it back from the exhaust shop







2009 G8 GT Liquid Red, red/onyx interior, VCM cold air intake, PCM of NC tune, shark fin antenna, 2016 20" Camaro SS wheels powder coated black, Chevy SS Brembo brakes, Russell stainless steel brake lines, stainless works 1 7/8" long tube headers, stainless works 3" cat back, Camaro 3.27 LSD rear diff, ADD W-1 oil catch can, B&M trans cooler, auto dim interior rear view mirror
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post #7 of 16 (permalink) Old 08-20-2016, 08:08 PM
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Have you got it tuned yet.

[SIGPIC][/SIGPIC]K&N CAI, Pypes headers, Solo HFC's,Solo axle backs, Custom tune, FE3 Struts & Shocks, White line bushings & bearings, Rear Cradle inserts, Moog end links.Little lunati cam,SLP 25 %UDP, AC tensioner upgrade.15% tint.12" sub woofer with amp.Future upgrade Power slot rotors & posi quiet pads.


V6 Spectre CAI, Original Overkill tune,FE3 Struts & Shocks, White line bushings & bearings, BMR Rear Cradle inserts, Moog end links.12" sub woofer with amp.
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post #8 of 16 (permalink) Old 08-21-2016, 10:18 AM Thread Starter
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Tune is scheduled for August 31 set up the appointment in May lol

2009 G8 GT Liquid Red, red/onyx interior, VCM cold air intake, PCM of NC tune, shark fin antenna, 2016 20" Camaro SS wheels powder coated black, Chevy SS Brembo brakes, Russell stainless steel brake lines, stainless works 1 7/8" long tube headers, stainless works 3" cat back, Camaro 3.27 LSD rear diff, ADD W-1 oil catch can, B&M trans cooler, auto dim interior rear view mirror
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post #9 of 16 (permalink) Old 08-21-2016, 10:58 AM
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The tune will make a huge difference. Before I got mine I did not notice any difference after was night & day.

[SIGPIC][/SIGPIC]K&N CAI, Pypes headers, Solo HFC's,Solo axle backs, Custom tune, FE3 Struts & Shocks, White line bushings & bearings, Rear Cradle inserts, Moog end links.Little lunati cam,SLP 25 %UDP, AC tensioner upgrade.15% tint.12" sub woofer with amp.Future upgrade Power slot rotors & posi quiet pads.


V6 Spectre CAI, Original Overkill tune,FE3 Struts & Shocks, White line bushings & bearings, BMR Rear Cradle inserts, Moog end links.12" sub woofer with amp.
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post #10 of 16 (permalink) Old 08-21-2016, 11:37 AM Thread Starter
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I'm excited to get the tune. The place I'm going is 8 weeks out on tune

2009 G8 GT Liquid Red, red/onyx interior, VCM cold air intake, PCM of NC tune, shark fin antenna, 2016 20" Camaro SS wheels powder coated black, Chevy SS Brembo brakes, Russell stainless steel brake lines, stainless works 1 7/8" long tube headers, stainless works 3" cat back, Camaro 3.27 LSD rear diff, ADD W-1 oil catch can, B&M trans cooler, auto dim interior rear view mirror
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post #11 of 16 (permalink) Old 09-06-2016, 01:14 PM
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How did the tune go? What did the car put down? I just installed my Manzo's this past weekend and i'm scheduled to get a tune sometime next week.

Procharged WS6.-Forged 408, 4L80e, E85, F1A,FMIC, Brutespeed Blower Cam, PRC 2.5s,Full BMR Suspension, Strano Springs, Bilstein Shocks, Hooker Blackheart Exhaust, S60, Weld RTS.

09 Midnight Opal G8 GT - Rotofab CAI, Koni Yellows, HHR Springs, Manzo headers, Solo Catback exhaust and CTS-V Sedan wheels.
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post #12 of 16 (permalink) Old 09-13-2016, 06:59 PM
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There were report on the earlier revision of the bolt holes not lining up correctly. Did you have to elongate any if the bolt holes to get them to line up with the engine holes?
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post #13 of 16 (permalink) Old 09-13-2016, 10:11 PM
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No problems on my set.
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post #14 of 16 (permalink) Old 09-16-2016, 08:42 PM
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Just ordered mine! Cant wait

Sent from my Nexus 6P using Tapatalk
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post #15 of 16 (permalink) Old 09-19-2016, 08:50 PM Thread Starter
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Quote:
Originally Posted by 95-1le-z28 View Post
How did the tune go? What did the car put down? I just installed my Manzo's this past weekend and i'm scheduled to get a tune sometime next week.

Tune went well, no record number but 344rwhp 355ftlbs drives amazing


Quote:
Originally Posted by gmony01 View Post
There were report on the earlier revision of the bolt holes not lining up correctly. Did you have to elongate any if the bolt holes to get them to line up with the engine holes?
Didn't line up with the magnaflow cat back but a quick trip to exhaust shop fixed that

2009 G8 GT Liquid Red, red/onyx interior, VCM cold air intake, PCM of NC tune, shark fin antenna, 2016 20" Camaro SS wheels powder coated black, Chevy SS Brembo brakes, Russell stainless steel brake lines, stainless works 1 7/8" long tube headers, stainless works 3" cat back, Camaro 3.27 LSD rear diff, ADD W-1 oil catch can, B&M trans cooler, auto dim interior rear view mirror
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post #16 of 16 (permalink) Old 09-19-2016, 10:13 PM
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344 to the ground is very respectable.
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