Difference in 1 5/8 and 1 7/8 LT headers

[TrueStreetTim]

Originally Posted by Steve What about with the stock headers? Will the stock midpipe live a long happy life with a power adder? I'm asking, because I don't want this car to be obnoxiously loud. My little girl rides in this car often and I rather not she be deaf by the time she is five. lol

I see no reason why the midpipe itself would be an issue. It's the cats that need to be a high flow design with a power adder. Maybe look to an H-pipe with high flows into your soon-to-be GT500's perhaps? Or just high flows alone will suffice. Toby may have a better opinion on that.

[Courtesy Flush]

Originally Posted by TrueStreetTim I see no reason why the midpipe itself would be an issue. It's the cats that need to be a high flow design with a power adder. Maybe look to an H-pipe with high flows into your soon-to-be GT500's perhaps? Or just high flows alone will suffice. Toby may have a better opinion on that.

I have a set of high flow cats for sale Steve. They are shiny like your wheels

[Grandpa]

Originally Posted by Courtesy Flush I have a set of high flow cats for sale Steve. They are shiny like your wheels

Hmmm.