The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Big difference between flowmaster 40 series and 40 series delta flow???

Rich84 · 09-04-2013, 10:59 AM

I'd like to trade my 40's for the Delta flows..Never heard of them.
Mine droned so much that I put resonators in front of the mufflers to help quit it down.
Now after about 8000 miles it seems like they are getting louder..I have stock manifolds.

09-04-2013, 10:59 AM	#3
Rich84 Registered User Join Date: Mar 2012 Location: Woodbury, Ct. Posts: 1,713	Re: Big difference between flowmaster 40 series and 40 series delta flow??? I'd like to trade my 40's for the Delta flows..Never heard of them. Mine droned so much that I put resonators in front of the mufflers to help quit it down. Now after about 8000 miles it seems like they are getting louder..I have stock manifolds.