Originally posted by pSiRacer92
my car came stock with a flex pipe i thought all cars did 
Not all cars. Most just come with a spring and donut gasket joint that combines the exhaust manifold and the under-car exhaust system back to the rear bumper.
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AIM: NDcissive
CRX and Pre '92 Civic, Engine Tech and Tuning, & Track and Autocross Forum Mod