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Magnaflow Exhaust Systems Part #16726 Customer Reviews

Average Rating

10 Customer Reviews

very nice

Reviewed by steve g (HIGHLAND, IN) Reviewed for a 2008 Pontiac Grand Prix — Oct 03, 2015 4:33 PM

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Looks good and wasn't too pricey and great pick up, but a little too loud in my opinion.

great sound

Reviewed by Howard M (Saint Peters, MO) Reviewed for a 2007 Pontiac Grand Prix — May 01, 2014 4:33 AM

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0 of 1 people found the following review helpful.

this system is just perfect for my wants thank you

Glad I bought it

Reviewed by Matthew G (Swartz Creek, MI) Reviewed for a 2006 Pontiac Grand Prix — Oct 10, 2013 7:19 AM

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I had been planning on buying this for my 2006 Grand Prix GXP for awhile now and I'm glad I finally bought it. I had a local shop install it for me since I don't have welding equipment. Sound it deep and rich without being overly loud. Throttle response in conjunction with my air intake is a great improvement over stock.

Rumble

Reviewed by JOHN S (YONKERS, NY) Reviewed for a 2006 Pontiac Grand Prix — Mar 26, 2013 5:29 AM

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It has a nice rumble to it, but at low speeds/low gear it can have a drone to it.

Magna flow exhaust on 2008 Pontiac Grand Prix GXP

Reviewed by tiffany l (ELKO, NV) Reviewed for a 2008 Pontiac Grand Prix — Nov 27, 2012 2:24 PM

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3 of 4 people found the following review helpful.

Wow! I was a little worried at first thinkin that the exhaust would not change too much on the sound or performance. boy was I wrong... as soon as I unpack the box I knew I made the right choice. it look easy to assemble but I paid a local shop 90 dollars to put it on. as soon as I turn the key it put a smile on my face. the sound is perfect not too loud and not too quiet. my v8 actually sounds like a v8 now. the service with auto anything was beyond anything else that companies offer these days

GXP Magnaflow

Reviewed by Elisabeth M (Rochester, MN) Reviewed for a 2005 Pontiac Grand Prix — May 20, 2012 3:26 PM

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3 of 5 people found the following review helpful.

Awesome product! Love it! Sounds just as its described! The installation was very easy, except that I had to buy a new gasket that goes between the cat and the resonator, and some bolts for that also. Other than that, its great!

Now it PURRRRS!!

Reviewed by Kimberly S (Lancaster, NY) Reviewed for a 2006 Pontiac Grand Prix — Sep 15, 2010 5:16 PM

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5 of 6 people found the following review helpful.

Had this system installed on my 2006 Grand Prix GXP because it lacked the "rumble" I was hoping for when I bought it. My husband and son had it completed in about 1 hour and 15 minutes (including a coffee break) and said it was incredibly easy! It has a nice tone, not obnoxious at all. After having a ram air hood installed it needed to sound like it looked (like Chip said), and now it does! It is a BEAST! Thank you AA for the fast shipping and great packaging.....and thank you Chip for recommending Magnaflow!

The Best!!!!!!!

Reviewed by Aquila J (Fort Mill, SC) Reviewed for a 2008 Pontiac Grand Prix — Aug 12, 2010 3:09 AM

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4 of 4 people found the following review helpful.

My Grand Prix GXP is now a certified BEAST!

BEST SOUND FOR A 5.3 v8

Reviewed by Sara S (White Bear Lake, MN) Reviewed for a 2006 Pontiac Grand Prix — Jul 23, 2010 8:49 AM

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4 of 4 people found the following review helpful.

I absolutely LOVE this catback exhaust system I got for my GXP. Sounds impeccable and gives the perfect purrr you could ask for!

Great System

Reviewed by William H (Wichita, KS) Reviewed for a 2006 Pontiac Grand Prix — Apr 17, 2008 9:26 AM

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8 of 8 people found the following review helpful.

Great looking and sounding system. Installed by my muffler shop in less than an hour. Sounds great. Pleasant deep sound on start up and idle. Nice "rap" on hard takeoff, doesn't sound "ratty" or "raspy" like many systems I've heard. It "purrs" on the highway -- doesn't "drone." I can carry on a normal conversation or listen to the audio system. I bought it for the sound, and not the extra horsepower. Also like the large and well-polished dual tips. Clearly lets an observer know the system is not stock.

Magnaflow Exhaust Systems - 16726

Cat Back Exhaust - Street Series
(10)
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  • Style:
    2.5" Dual rear exit
  • Part #:
    16726
  • Sound level: Moderate
  • Main piping diameter: 2.5"
  • 4" quad, round, double wall, polished, stainless steel tips
  • 5" x 5" x 18" polished, stainless steel mufflers
  • Download installation instructions (PDF)
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