Replacing CATS 200/v.s 300cell
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Registered User
Joined: Oct 2007
Posts: 504
From: north jersey
Rep Power: 39
I wont say huge,but it does put a smile on my face every time i drive it.The cats are where you gain the power in the exhaust.The car feels better in every way.Its an improvement you can actually feel and i would 100% do it again.Just remember that when you replace the cats and mufflers your removing a lot of backpressure.The combination of the 2 might cost you some lowend torque.
THANKS!!!
Registered User
Joined: Nov 2005
Posts: 304
From: Cary, NC
Rep Power: 33
What's the point if you lose low end torque(acceleration)...I want to do things to make the car faster not slower....I don't understand...
I wont say huge,but it does put a smile on my face every time i drive it.The cats are where you gain the power in the exhaust.The car feels better in every way.Its an improvement you can actually feel and i would 100% do it again.Just remember that when you replace the cats and mufflers your removing a lot of backpressure.The combination of the 2 might cost you some lowend torque.
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Joined: Apr 2007
Posts: 162
From: bay area,ca
Rep Power: 0
What dont you understand!
Registered User
Joined: Oct 2006
Posts: 1,177
From: U.S.A
Rep Power: 67
I had modified the exhaust systems on both my BMW 545i and my 996. I took out the mufflers and installed aftermarket syst. On BMW I noticed I loss significant amount of low end torque. The car was much slower at get go. I had a stop light pull with my friend's BMW 545i with stock exhaust, I couldn't keep much with his car spring dash but pull ahead on high speed approaching 120 mph.
On the 996 after I took off the muffler cans and installed the bypass pipes, the result was also the same with the BMW. Loss low end torque at acceleration but gains on upper end.
On the 996 after I took off the muffler cans and installed the bypass pipes, the result was also the same with the BMW. Loss low end torque at acceleration but gains on upper end.
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