Reviewed By Kemuel J (Aurora, CO) Reviewed for a 2002 Chevy Avalanche —8/31/2014 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 Schaun D (APO, AE) Reviewed for a 2002 Chevy Avalanche —5/2/2009 10:59 AM
I wasn't sure what to expect because this was my first flowmaster muffler. Let me say that this product sounds so sweet because it's not that loud, just a little rumble. But when you stomp the accelerator she really sounds off.
Reviewed By christopher p (Spring Hill, FL) Reviewed for a 2007 Chevy Avalanche —2/7/2009 4:23 PM
I HAD MY 40 SERIES WELD ON AT A LOCAL MECHANICS SHOP, BUT INSTALATION WAS STRAIGHT FOWARD. I LIKE THE SOUND, BUT I THOUGHT IT WOULD BE LOUDER THAN IT WAS. NEXT FLOWMASTER WILL HAVE TO BE A RACE 40 SERIES. I DIDNT NOTICE ANY PERFORMANCE DIFFERENCE EITHER, DONT KNOW IF I WAS SUPPOSE TO THOUGH. OVER ALL WORTH THE 80 BUCKS I SPENT.