I just installed my new Bassani Cat-Back exhaust system and had a quick question for those who also had this installed on their L's... Are you guys seeing losses or gains in power? Just curious.

2000 Black "Shadow" L
-JL Diablo Chip
-JL Air Induction
-90mm MAF
-DiabloSport Line Mod
-Bassani Cat-back Exhaust

Soon to come:
-JL 3# Pulley
-Denso Plugs
-3.73 Gears

 

Well since I blew my stock off and even have blown the Bassani off I gota say it needed to breath!!!

If you used the stock clamps and add boost it will blow off. I changed from the wrap clamps to the U-bolt style and its been fine!!

 

What about if I had them weld em? The stock clamps that is... Gain or loss in power?

 

Gain in sound, but no gain in power, atleast according to the track times

 

I posed the same question just recently before I decided to get a Bassani myself. Responses varied but the most convincing data I saw was provided by someone who frequents this forum but will remain nameless unless he chooses to make himself known. He has made around 50 dyno runs testing various mods and is quite knowledgeable and forthcoming. Anyway, his dyno figures showed a slight improvement in both horsepower and torque. The Bassani didn't seem to do much for the torque peak around 3000 RPM, but it did add torque and power at higher RPMs, moving the power band a little higher in the rev range. There were consistent gains across the board, and no indication of losses anywhere.