Yes the Yellow Top 51R is no longer avail...neither of them will fit the 2007 honda FIT.

make one fit ............time to cut

 

There is no room in the hatch...damn, i knew that car was small, but wow!

 

If the amp you stated is the only amp you have, then thast only 4 x 75 watts, you dont need extra this and extra that.... by doing whats known as the big 3, of which you probaly alrready know what the big 3 is.... and adding the biggest battery you can fit ,, nothing like the yellow top ect.. its just not needed, a total wast of money unless your upgradeing in the future.

 

wouldn't upgrading to a higher amp alternator be a better and probably closely priced alternative to a new battery?