[MightyMouse61]

Just wondering who, if any, are running Doug Thorley Tri-Y's and/or Car Chemistry Header mufflers and what you guys thought about 'em. Just threw the Car Chemistry Header mufflers on in place of glass packs, its loud as hell but I like it.

 

[spodrbik]

Hello,
I have have them on my 355 with TW trickflow heads, I also have the Pypes X pipe system with violator mufflers on it. They sound awesome, it's
has that mean rumble until you open it up.

Scott

 

[CDN SS]

Doug Thorley Tri Y's ...... Yep .great headers for mild engine applications where you need more low end torque .high rpm big inch race motor .........nope ...street car 5500rpm small engine heavy car .......yep ..work great I have had a couple of sets .....have them on my 2010 DD 5.3 chevy crew cab .definitely more low end torque than the 4 tube I had on my 2004 lots of LS engine guys using them

 

[Two Lane]

Car Chemistry Header mufflers

Running the Car Chemistry inserts in all our collector-reducers for 10+ years.