Can you install a pair of SLP Loud Mouth on a 2nd generation Firebird with a 455 engine?
February 22, 2012 by admin
Filed under Mustang Parts
Wіll іt work performance wise οn a 2nd age group Pontiac Firebird wіth a 455 engine? It mаkеѕ sense thаt іt wіll, bυt јυѕt want tο mаkе sure.
I would recommend DynoMax UltraFlow mufflers they outflow everything else, Dr.Gas X-Pipe Crossover, you don’t need whatever thing over 2.5 inch pipes unless you are well over 400HP. Doug Thorley makes excellent headers that fit right and flow well.