If I get this:
http://www.awesome-gti.co.uk/product.php?xProd=6958&xSec=339
(decat and large bore down pipe)
will I see any improvement in fuel economy?
http://www.awesome-gti.co.uk/product.php?xProd=6958&xSec=339
(decat and large bore down pipe)
will I see any improvement in fuel economy?