I need a little help

RED1990XR7

Registered User
I want to upgrade my exhaust system. I want to put the Teaxasthunderbirds 21/4 drag pipes in with a magnaflow resinator how much power would this add and how load would the car get. I want to keep it really quiet because I dont really car for the sound of the v6. Also how much would 3:73s and a shift kit help in my quest for 13s.

Mods already done:
removed air silancer
descreened MAF
10% OD pulley
IC fan

The car has ran a best of 15.2@89 with a vacum leak I thinks it should run in the 14.7s to 14.9s with what I have done.
thanks for your input
 
Take a look at the top sc's list, you have ALOT more mods to do if you even break into the mid 14's nevermind the 13's. With a stock cam and done up exhaust these cars sound nice and are sometimes mistaken for 5.0's at idle. Without cats it sounds raspy though, if u want quiet-er, get new cats.
 
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