pipe(destination, options) {
    if (this.compressor) {
      return this.engine.pipe
        .apply(this.engine, [this.compressor])
        .pipe(destination, options);
    } else {
      return this.engine.pipe.apply(this.engine, arguments);
    }
  }
[pipe description]

@param  {String} destination
@param  {Object} options
@return this.engine