NoPistons -Mazda Rx7 & Rx8 Rotary Forum - S5 Horsepower Estamation

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2Fast4ourU

06-21-2004 09:33 PM

how much power do u think i gained at the wheels with a racing beat header, test pipe, and 2.5" piping, and finished by two apexi N1 mufflers.

mazdaspeed7

06-21-2004 09:46 PM

10-15. S5's dont get as much power from exhaust as S4's.

Id say 140 rwhp if your car is well maintained and has good compression.

j9fd3s

06-21-2004 10:55 PM

Quote:

Originally Posted by mazdaspeed7' date='Jun 21 2004, 06:46 PM

10-15. S5's dont get as much power from exhaust as S4's.

Id say 140 rwhp if your car is well maintained and has good compression.

yeah 138-142rwhp

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