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Flowmaster 50 Series Big Block Mufflers Part #530513 Customer Reviews
7 Customer Reviews
Reviewed by Kemuel J (Aurora, CO) Reviewed for a 2002 Chevy Avalanche — Aug 31, 2014 11:05 AM
I love the big block flow master muffler. it sounds great more flow. it was one of my best purchases. Go flow master the best !!!!!!
Reviewed by Roland R (North Las Vegas, NV) Reviewed for a 2005 Chevy Silverado — Jun 19, 2013 10:09 AM
Exactly the tone I wanted and not overly loud. Wanted to also reduce back pressure and perhaps improve mileage; have not yet been able to confirm that. The muffler fit well with the included length of pipe and looked strong and durable.
Reviewed by Jonathan V (Saint Paul, MN) Reviewed for a 2003 GMC C/K 2500 — Mar 02, 2011 6:43 AM
I installed this muffler on my truck. The only other engine mods I have on is a Spectre CAI. I highly advise getting it welded, as the clamps just couldn't secure the muffler properly. The shop charged me $150 to weld it- a ripoff, but it's worth it. Flowmaster says that the GM 6.0 is the hardest motor to quiet down, so I advise getting this muffler. According to Flowmaster, this is the biggest, quietest muffler they produce. The sound is great. Very powerful, not too loud, either. There is a noticeable drone at around 2000 rpm, but I got used to it fast. It sounds great on the inside, and even better on the outside. I did certainly feel a power boost all across the rpm band, but no improvement in mpg's. And as usual, AutoAnything was terrific.
Reviewed by Dale J F (Cheyenne, WY) Reviewed for a 2005 Cadillac Escalade — Dec 25, 2010 6:47 AM
Sound was Great and 1 MPG increase in mileage. Muffler attachment did match exhaust pipe. A little fabrication required but well worth it. Very Happy with purchase!
Reviewed by Royston J (Fort Worth, TX) Reviewed for a 2008 Toyota Tundra — Feb 12, 2008 8:10 PM
Perfect rumble, not irritating. I think this would be the answer for anyone wanting to keep the sound close to stock until you get on it then the gates of hell open up :-0
Reviewed by Adam H (Saint Charles, MO) Reviewed for a 1998 Chrysler Sebring — Mar 28, 2007 8:36 AM
Put this on my 05 Yukon Denali 6.0. Having driven street cars in the past, I thought it could be louder at Idle, but it does sound great when you get on it and there is NO inside drone while cruising. I drove it in downtown Chicago not long ago and the sound from the muffler bouncing between the building was sweet. All in all I am happy.
- 1-Year Lower-Price Guarantee
Ships Between 10/26 - 10/30
- Part Size:3" Inlet/3.5" Outlet
- Part #:530513
- Flowmaster Part #: 530513
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