A fuel system for an internal combustion engine, said fuel system comprising: an outlet conduit (18,18') having an internal volume and also having an exterior surface that is exposed to an environment; and a pressure pulsation damper which includes a pressure pulsation damper wall made of a resilient and compliant polymer material which defines a pressure pulsation damper chamber, wherein when said pressure pulsation damper chamber is filled with fuel, said pressure pulsation damper wall extends along, and is centered about, a pressure pulsation damper axis such that said pressure pulsation damper wall circumferentially surrounds said pressure pulsation damper axis, thereby defining said pressure pulsation damper chamber which is circumferentially surrounded by said pressure pulsation damper wall, said pressure pulsation damper wall having an inner wall surface which is in fluid communication with said internal volume of said outlet conduit (18,18') and also having an outer wall surface which is exposed to said environment and a second pressure pulsation damper which includes a second pressure pulsation damper wall made of a resilient and compliant polymer material which defines a second pressure pulsation damper chamber, wherein when said second pressure pulsation damper chamber is filled with fuel, said second pressure pulsation damper wall extends along, and is centered about, a second pressure pulsation damper axis such that said second pressure pulsation damper wall circumferentially surrounds said second pressure pulsation damper axis, thereby defining said second pressure pulsation damper chamber which is circumferentially surrounded by said second pressure pulsation damper wall, said second pressure pulsation damper wall having a second inner wall surface which is in fluid communication with said internal volume of said outlet conduit and also having a second outer wall surface which is exposed to said environment and; wherein the pressure pulsation damper wall is sufficiently compliant such that prior to being filled with fuel supplied under pressure by a fuel pump, the pressure pulsation damper wall is limp and has an undefined shape, similar to a common party balloon prior to being inflated. an outlet conduit (18,18') having an internal volume and also having an exterior surface that is exposed to an environment; and a pressure pulsation damper which includes a pressure pulsation damper wall made of a resilient and compliant polymer material which defines a pressure pulsation damper chamber, wherein when said pressure pulsation damper chamber is filled with fuel, said pressure pulsation damper wall extends along, and is centered about, a pressure pulsation damper axis such that said pressure pulsation damper wall circumferentially surrounds said pressure pulsation damper axis, thereby defining said pressure pulsation damper chamber which is circumferentially surrounded by said pressure pulsation damper wall, said pressure pulsation damper wall having an inner wall surface which is in fluid communication with said internal volume of said outlet conduit (18,18') and also having an outer wall surface which is exposed to said environment and a second pressure pulsation damper which includes a second pressure pulsation damper wall made of a resilient and compliant polymer material which defines a second pressure pulsation damper chamber, wherein when said second pressure pulsation damper chamber is filled with fuel, said second pressure pulsation damper wall extends along, and is centered about, a second pressure pulsation damper axis such that said second pressure pulsation damper wall circumferentially surrounds said second pressure pulsation damper axis, thereby defining said second pressure pulsation damper chamber which is circumferentially surrounded by said second pressure pulsation damper wall, said second pressure pulsation damper wall having a second inner wall surface which is in fluid communication with said internal volume of said outlet conduit and also having a second outer wall surface which is exposed to said environment and; wherein the pressure pulsation damper wall is sufficiently compliant such that prior to being filled with fuel supplied under pressure by a fuel pump, the pressure pulsation damper wall is limp and has an undefined shape, similar to a common party balloon prior to being inflated.